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单词拼写：
at
音标发音：
[æt; ət][æt; ət]
词性词义：
prep.在（表示存在或出现的地点、场所、位置、空间）；以（某种价格、速度等）；向；因为；朝；忙于
速记技巧：
对比串记法
拆：
对比arrive in和arrive at
记：
“arrive in”通常用于描述到达一个相对较大的地方，如城市、国家等。例如，“I will arrive in New York tomorrow.”（我明天将抵达纽约。）这里，“New York”是一个大城市，所以使用“arrive in”。“arrive at”则通常用于描述到达一个相对较小、更具体的地点，如机场、火车站、学校等。例如，“Please arrive at the airport two hours before departure.”（请在起飞前两小时到达机场。）这里，“airport”是一个具体的地点，所以使用“arrive at”。
英英释义：
Noun:
1.a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium2.100 at equal 1 kip in Laos
短语词组：
arrive at到达
assist at参与
bark at the moon空嚷
bay at the moon不断无谓地抱怨
be at sb's door（责任等）归于某人；（某事）是某人的责任
be left at the post从一开始就被远远地抛在后头
beat at the post在最后一刻被击败
beat sb at his own game将计就计地战胜某人
begin at从…开始
bite one's thumb at对…咬大拇指（表示侮辱或蔑视）
break apart at the seams破裂，失败，崩溃
burn the candle at both ends滥耗精力（或资财）
burst at the seams胀破裂缝，过满，过于拥挤
call at到…作短暂访问；（车、船等）停靠
cast a stone at攻击，指责
cast sheep's eyes at对某人做媚眼，（笨拙地）向…讨好
cast stones at攻击，指责
catch at试图抓住，拼命抓住；急切地去取；很快地接受
catch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
catch at shadows捕风捉影
catch at the rebound在…失恋或失望时乘虚而入
chafe at the bit烦躁不安地急欲挣脱束缚
champ at the bit烦躁不安地急欲挣脱束缚
chomp at the bit烦躁不安地急欲挣脱束缚
clutch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
cock a snook at对…做侮辱性的〔轻蔑的〕手势
come at拿到，发现；追击；了解到，弄清
come apart at the seams破裂，失败，崩溃
cut at朝…猛砍（或猛击等）
cut a snook at对…做侮辱性的〔轻蔑的〕手势
dig at挖苦
drive at孜孜不倦地干
eat at烦扰，困扰
fall at the seams破裂，失败，崩溃
fling dirt at中伤，诽谤
fly at扑向；猛烈攻击
fly at sb's throat扑向某人去掐脖子，突然向某人发起猛烈攻击
foam at the mouth口吐白沫；大怒；气得口沫横飞
get at伤害,贿赂
go at攻击（某人）；以…价格出售
grab at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
grasp at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
guess at猜想
hammer at锤击
have a bash at试着做
have a fling at尝试，试做
have a shot at尝试，试着做（或赶、夺等）；嘲笑，使恼怒
have a shy at嘲弄；试图击中；试图获得
have a smack at试做
have a stab at试图做，尝试
have a whack at照着…猛击一下；尝试
have sb at one's beck （and call）随心所欲地使唤某人
have sb at one's mercy使某人任凭自己摆布
have sth at heart对某事极为关心
have sth at one's finger tips对某事了如指掌，可以很容易地做某事
have at着手对付，攻击，打击
hawk at（如鹰一般）扑击，向…扑过去
jib at面对…畏缩不前
jump at跃向；急切地接受，欣然接受
keep at（使）继续做，（使）坚持干
keep at a distance对…冷淡；同…疏远；（与…）保持一定距离
kick at向…踢去
laugh at对…笑；因…而笑；嘲笑；对…一笑置之；蔑视
lay at one's door归咎于
leap at扑向，跃向；赶紧抓住（机会），迫不及待地接受
let drive at朝…打；对…发射
let it go at that不去多操心；不再多说
lie at anchor停泊
look at看,注视
look daggers at对…怒目而视
look down one's nose at不把…放在眼里
look at the world through rose-colo(u)red glasses乐观地看待一切事物
look at through rose-colo(u)red spectacles对…持乐观态度
make at袭击
make a face at对…做鬼脸
make a long nose at（对…）做鬼脸（即把拇指顶在鼻尖上，张开并摇动其余四指表示轻蔑的动作）
make a shy at嘲弄；试图击中；试图获得
make a snook at对…做侮辱性的〔轻蔑的〕手势
make a stab at试图做，尝试
make eyes at含情脉脉地看；（向…）送秋波
make faces at对…做鬼脸
make sheep's eyes at对某人做媚眼，（笨拙地）向…讨好
nip at一点一点地咬；慢慢侵袭；挑剔，找…的岔子
nothing to sneeze at不可轻视，不得小看
not much to look at样子不怎么好看的，相貌平常的
peck at（鸟、鸡等）啄（食）；不断敲打；勉强小口地吃
pick at扯拉，抓弄；无食欲地吃，无兴趣地干（某事）
pip at the post在最后一刻击败
play at玩，做（游戏等）；参加（体育活动，比赛等）；戏弄，嘲弄，儿戏似地做
play at soldiers（儿童）玩打仗游戏
play sb at his own game将计就计地战胜某人
point one's finger at（轻蔑地）指责
point the finger at（轻蔑地）指责
poke fun at开…的玩笑，嘲弄
pull at用力拉（或拖、扯等到）；从…中喝（酒等），从…中抽（烟）；对…产生影响，感染
put sb's mind at rest使某人放心，使某人安心
run at向…冲击，突然袭击
see at（怂恿…）袭击
seize at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
set one's cap at（女子）追求（男子），（女子）向（男子）挑逗
set sb's mind at rest使某人放心，使某人安心
set at naught蔑视，轻视，一笔抹杀
set at nothing使不成功，使落空
shake a finger at用食指指点，手指指着…以示责备；指出
shake a stick at关心，注意
shake one's finger at用食指指点，手指指着…以示责备；指出
shoot at向…袭击；试图达到〔完成〕，以…为目标，为…而努力
shoot at shadows捕风捉影
shudder at对…感到惊恐〔恐惧〕
sit at sb's feet受教于某人，崇拜某人
sit at the stern掌权，管理政事
sling dirt at中伤，诽谤
snap at猛咬,猛扑
snatch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
sneeze at轻视，看轻
snip at在…上剪
snipe at对…射击
start at the bottom (of the ladder)从最低级做起，始于卑微
stick at停止做，对…却步，对…犹豫；继续努力做，坚持干
stick at trifles拘泥于小节
stop at nothing不顾一切，不择手段
strain at用力拉（或推），往…使劲；难以接受
strain at the leash急于摆脱束缚，急于开始
strike at打击，攻击；企图损害〔破坏〕
strike at the root(s)摧毁…的基础，根除
surrender at discretion无条件地投降
swear at咒骂，诅咒；（颜色等）与…不协调
take a fling at尝试，试做
take a look at瞧，看，注视，留意
take a poke at打…一拳
take a shot at尝试，试着做（或赶、夺等）；嘲笑，使恼怒
take a shy at嘲弄
take a sight at以拇指顶着鼻尖张摇其余四指对…表示嘲笑
take a stab at试图做，尝试
take a whack at照着…猛击一下；尝试
take offence at对…生气，因…见怪
take sb at a disadvantage乘隙攻击；利用某人的不利因素
take sb at advantage乘某人不备，使某人措手不及
take sb at his word相信某人说的是真话
take at the rebound在…失恋或失望时乘虚而入
talk at影射，不指名地批评，对…大发议论
throw a stone at攻击，指责
throw dirt at中伤，诽谤
throw mud at诽谤，中伤
throw oneself at sb's feet拜倒在某人脚下；崇拜某人
throw stones at攻击，指责
throw the book (of rules) at一股脑儿往…身上加罪名；从严惩罚；狠狠责备
thumb one's nose at对…嗤之以鼻，蔑视
tilt at windmills同假想的敌人（或坏事）战斗
try at试着做
turn up one's nose at不把…放在眼里，蔑视
turn up the nose at不把…放在眼里，蔑视
wag a finger at用食指指点，手指指着…以示责备；指出
wag one's finger at用食指指点，手指指着…以示责备；指出
wait at table伺候进餐，在餐厅
wink at向…使眼色
wish sb at the devil巴不得某人离得远远的
work at在…工作；在…任职；从事于，致力于
chip away at从…抽去实质性的东西；削弱；损害
come back at有力的回答
fly off at a tangent突然离开原来的思路，突然离题
get back at向…进行报复
get on at不断地指责
go off at a tangent突然离开原来的思路，突然离题
go off at half cock过早行事（或发表意见）
go off at score（赛跑时）全速起跑，精神抖擞地出发；突然很起劲地讲起来
go on at总是责备,缠着
hammer away at不懈地致力于
keep on at对…纠缠不休；不断催促，不停地困扰；对…责骂不休；不迁离（某处）；继续雇用（某人）
run off at the mouth滔滔不绝地谈论，胡吹，随便乱说
set off at score（赛跑时）全速起跑，精神抖擞地出发；突然很起劲地讲起来
stop short at在…突然刹车（或住手）；险些…
work out at总共达
skeleton at the feast宴席上的骷髅；扫兴的家伙〔事物〕
asleep at the switch玩忽职守；坐失良机
at a blow一击之下；一举，一下子；突然
at a clinic在诊所
at a college在大学
at a conference在会议上
at a dash迅速而洒脱地
at a disadvantage处于不利的地位
at a discount低于正常价格地，打折扣；（股票值）低于票面价值；无销路的，不值钱的
at a distance有相当距离
at a fast pace以快速度
at a gallop以最快速度，飞快地，急速地
at a guess凭猜测
at all丝毫，一点；根本；究竟；从任何方面考虑
at all costs不惜任何代价，无论如何
at all events不管怎样；无论如何
at all hazards不顾一切危险地
at all hours在任何时候，始终不间断地
at all points在各部分，在各方面；完全地
at all rates无论如何，至少
at all times随时，总是
at a loose end没有安定职业的；对未来没有明确计划的；闲着的；未解决的；混乱的
at a loss困惑不解
at a low ebb处于低潮；处于衰退状态
at a minute's notice提前一分钟
at a moment's notice提前一会儿
at anchor抛着锚；停泊着
at an easy rate廉价的，很容易的，不费力的
at an end结束
at any cost不惜任何代价，无论如何
at any minute随时，在任何时刻
at any moment时时刻刻
at any price不惜任何代价
at any rate无论如何，不管怎么说，至少
at any time在任何时候，随时
at a pinch必要时，在紧要关头
at a premium以超过一般的价格〔价值〕；非常稀罕的，奇缺的
at a price以很高代价
at a profit以获利的结果
at a push一推之下，一按之下；在紧急时；不得已时；困难地
at a rate of knots极快，迅速地
at arm's length以一臂之远；在伸手可及之处；相当疏远地；保持一定距离地；（交易）双方均不受对方控制地
at a rush急速地，赶紧地
at a sale在大拍卖中
at a single blow一击之下；一举，一下子；突然
at a standstill处于停顿状态
at a stand停住，停止，停顿；茫然不知所措
at a stretch不停地，一口气地；在尽量利用设备（或资源等）情况下
at a stroke一下子，一举
at a sweep一下子，一举
at a〔the〕 run奔跑着
at a time每次，一次
at a touch一触（就）
at a venture碰巧，随便地，未经考虑地
at a whack一下子，一口气
at a word（对请求、建议等）反应迅速的
at base本质上
at bay（猎物等）被围；处于走投无路的境地
at close hand近处，就在附近
at close quarters接近地；短兵相接地
at cost按成本〔成本价格〕
at cross-purposes相互误解；相互矛盾
at daggers drawn剑拔弩张，势不两立
at daybreak黎明时
at death's door行将就木
at discretion随意，任意
at each other's throat(s)激烈争吵，吵架，打架，斗殴
at ease无忧无虑
at every moment时时刻刻，不停地
at every opportunity利用一切机会
at every pore极度；非常
at every turn每次，事事，处处
at fault（猎犬）失去嗅迹；感到困惑，不知所措；出毛病；有责任
at first appearance初看起来，乍一看
at first sight乍一看，一见之下，立即
at first thought乍一想
at full capacity以最大的产量；最大限度地
at full length全身伸展地；详尽地，无删节地
at full pelt全速地，开足马力地，尽快地
at full speed尽快地，以最快速度，拼命地
at full split以极高的速度，拼命地
at (full) strain全力以赴，竭尽全力
at full strength全到场的（地），以全员，以满员
at full stretch尽量伸出手臂；全力地，极其紧张地
at full throttle油门大开地，以全速
at full tilt全速地，全力地
at grass被放牧在草场上的；闲着，休假中，不工作的
at great expense花了很多钱；以很大的代价
at great length详尽地；长久地
at grips with在与…搏斗；在（认真）对付（或处理）
at gunpoint在枪口威胁下
at hand近在手边，在附近；供使用；即将来到，即将发生；被考虑中
at hazard在危险中，存亡攸关；随意地
at heart内心里；本质上；实际上
at heel紧紧在后
at high tilt全速地，全力地
at issue在争论中,不一致
at it忙个不停
at knife point在刀子的威胁下
at law根据法律，通过法律手段
at leisure有空的；不忙碌的；从容地；慢慢地；失业的
at length最终，终于；详尽地；长久地；啰唆地
at liberty自由的，不受监禁的；获许可的，有权的；有空闲的，不占用的；失业的
at little expense花了很少钱；以很小的代价
at logger-heads不和，相争
at moments时时，不时
at night在晚上，在夜里
at nights夜里经常地
at no period从未有过
at no time在任何时候都不，从来没有
at nurse(小孩)由别人带的；（房产等）交人照看的
at odds不和，争吵
at one一致
at one another's throat(s)激烈争吵，吵架，打架，斗殴
at one blow一击之下；一举，一下子；突然
at one fling一气呵成地，一鼓作气地
at one jump一下子
at one moment一度
at one point在某一时刻
at one's best处于最佳状态；在全盛时期
at (one's) command可自由使用（或支配）
at one's fingertips近在手边；随时可供应；立即可以得到；精通，熟悉
at one's last gasp临终，于奄奄一息时；在最后时刻；筋疲力尽的
at one's leisure在空闲时，在方便时
at one's mother' s knee在母亲膝下；在孩提时期
at one's own pace以轻松自在的速度
at one's own (sweet) will全凭自己的意愿，随心所欲地
at one's peril自担风险
at (one's) pleasure随便，随意
at one's〔sb's〕 elbow在某人手边，在某人近旁
at one's strongest在最强的状态下
at one's time of life在这个年纪
at one's tongue's end在嘴边
at one's tricks作弄人
at one stroke一下子，一举
at one sweep一下子，一举
at one's wit's end智穷计尽，全然不知所措
at one time曾经有一个时期，一度；同时
at one time and another在不同的时期，在不同的场合
at one time with another在不同的时期，在不同的场合
at one whack一下子，一口气
at other times在别的时候；平时
at pains尽力，费尽苦心，努力
at par照票面价，与票面价值相等的
at peace处于和睦（或和平）状态；处于平静状态
at present现在，目前
at present writing在写本文〔本书〕时
at quiet平静的（地），安静的（地）
at rest休息之中；处于安息状态；处于停止状态
at risk处境危险，遭受危险
at roost栖着，歇着；在睡觉
at sb's back作某人的后盾，给某人撑腰；（紧紧）在某人之后
at sb's behest按照某人的命令，应某人的请求（或邀请）
at sb's command服从某人，听某人吩咐
at sb's disposal任某人处理；供某人使用；由某人支配
at sb's doorstep在某人的近旁；在某人的利益〔职责，能力〕范围之内
at sb's expense由某人付钱，由某人负担费用；在使某人受损害的情况下
at sb's feet在…支配下，作为…的门徒（或臣民等）
at sb's neck想卡住人的脖子，要某人的命
at sb's pleasure随某人之便，按某人之意
at sb's request应某人的要求（或请求）
at sb's service听某人吩咐；任凭某人使用
at school在学校；在上课；在求学
at sea在海上（航行）；茫然，困惑
at short notice提前很短时间
at sight一见（就）；一经要求（就）；一出示（就）
at source在源头，在始发地
at speed高速地，迅速地
at stake在危急关头，在危险中
at stud(公畜)供配种用
at sword's points在剑拔弩张之时
at table在进餐，进餐时，席间
at term到期终时，到期
at that就那样，就这样，到此为止；此外，而且；毕竟
at that point in time那时
at that rate照那种情形，既然那样
at that time在那时
at the back of作…的后盾，给…撑腰；作为…背后的原因
at the back of sb's mind在某人的脑海深处
at the beck (and call) of唯…之命是从，听凭…调遣
at the best of times即使在最好的情况下
at (the) bottom基本上，实质上；在心底
at the bottom of是…真正的起因（或根源）
at the bottom of one's heart在某人内心深处
at the cost of以…为代价
at the crossroads处在抉择的紧要关头
at the discretion of随…的意见办理，由…斟酌决定
at the double迅速地，尽快地，立即；以跑步方式
at the drop of一听到（或看到）…（就…）
at the drop of a hat立即，毫不迟疑地；乐意地
at the earliest opportunity一有机会
at the end最终，终了时
at the end of the rainbow在可望而不可即的地方
at the expense of由…负担费用；以…为代价
at the feet of在…支配下，作为…的门徒（或臣民等）
at (the) first blush乍一看，根据初步印象；经初步考虑
at (the) first glance乍看上去，乍一看；最初看到时；最初考虑时
at the first go-off一开始
at the first jump一开始
at the first opportunity一有机会
at the fore（信号旗）悬在前桅上；在前面
at the full（月）在最圆时；完整地，完全地；充分地
at the hand(s) of从…那里；由于…的作用
at the heels of紧紧地跟在…后面
at the instigation of受…的唆使；在…煽动之下
at the kill（战争、比赛）结束时在场；不幸的事发生时在场
at the last gasp临终，于奄奄一息时；在最后时刻；筋疲力尽的
at the last minute在最后一刻，在紧要关头
at the last moment在最后一刻
at the mercy of任凭…的摆布
at the moment此刻，目前；那时，当时
at (the) news of一得到…消息
at the news that一得到…消息
at the parting of the ways在岔口路上，在十字路口；在需要作出重大抉择的时刻，在关键时刻；在分别时，在分道扬镳时
at the point of正要…之际，就要…之时
at the point of a〔the〕 gun在武力威逼下
at (the) press印刷中（的）
at the rate of knots极迅速地，飞快地
at (the) root实际上，本质上
at the same time同时；然而，不过
at (the) sight of一看见
at the slope（士兵）扛着枪，（枪）被扛着
at the start开始时，一开始
at the stroke准时地，准点地
at the stroke of a pen大笔一挥
at the tail of跟随…之后，尾随着
at the thought of一想起…（就）
at the time (when)在（…）那时，（当…）那个时候
at the tips of sb's fingers就在某人手头的，某人随时可用的
at the top of one's lungs用尽量大的声音
at the top (of the tree)（在同行中）高居首位
at the wheel在驾驶，在操舵；控制，掌管
at this接着就，随即
at this juncture在这个当口
at this moment in time此时此刻
at this point in time此时，现在
at this rate照这种情形，既然如此
at this time在此时
at this time of (the) day在一天中的这个时候（如清晨、深夜等）；在这个阶段（如历史、文化、谈判等的后阶段）
at this writing在写本文〔本书〕时
at times有时，间或
at top speed尽快地，以最快速度，拼命地
at twice分两次地；第二次
at variance（事物之间）不一致，不相符合
at volley不经意地，顺便地；（球）未落地凌空时
at war (with)（同…）处于作战状态，（同…）不和，（同…）进行竞争
at wholesale用批发方式
at will任意，随意
at work在工作，在干活，在劳动；在工作地点，在工作场所，在办公室；在运转，在起作用
at wrong end在错的一头；不对头
at your convenience在你方便的时候，以你认为合适的方式
at your earliest convenience在你方便时尽早
be at a deadlock处于（或陷入）僵局
be at action stations准备行动，严阵以待
be at the end of one's rope山穷水尽；智穷力竭
be at the end of one's tether山穷水尽；智穷力竭
be at the races(妓女)街头卖笑
be at the receiving end（成为）接收方；（成为）承受（或被害者）一方
be in at the death（打猎时）目睹猎物被猎狗咬死；看到事情的结局
be in at the finish最后猎获猎物时亲自在场；在比赛的最后阶段亲自在场
down at (the) heel（鞋子）鞋跟磨掉的；（人）穿鞋跟磨破的鞋的；衣衫褴褛的；邋遢的
ill at ease局促不安，不自在
leave it at that就到此为止，别再说什么（或做什么）
light at the end of the tunnel（历尽艰辛之后终于看到的）成功之光；（久病之后终于出现的）康复可能
near at hand邻近，在近旁；在不久的将来
out at heel鞋跟穿破的；袜跟有洞的；衣衫褴褛的；邋遢的
out at (the) elbows（衣衫）露肘的，破旧的；衣衫褴褛的
out at (the) heels鞋跟穿破的；袜跟有洞的；衣衫褴褛的；邋遢的
the man at the wheel驾驶员，舵手；掌管者，负责人
back at square one回到起点
be in at在场
be on at唠叨，不停地催促〔责怪〕
hard at it努力工作
all at once突然，忽然；同时，一起
at home在家;在国内;无拘束;会客
at once立即,立刻,同时,既…又…
at once...and...既…又…
at random胡乱地，随便地，任意地
at earliest最早
at full（月亮）在最圆时；完整地，完全地
at large（罪犯、野兽等）未被捕获的，不受约束的；不具体的；没有固定职业的；普遍的，一般的
at last终于
at long last终于；经过很多苦恼（或麻烦）之后
at normal正常的（地）
at (the) best就最乐观的一方面看；至多，充其量
at (the) farthest最远（也不过…）；最迟（也不过…）；至多
at (the) first起先，开始时
at (the) furthest最远；最迟；至多
at (the) latest至迟，最晚
at (the) least至少；无论如何；不管怎样；反正
at (the) longest至多；最长
at (the) lowest至少；最低
at (the) most至多，不超过
at the very most至多，充其量不超过
at the (very) outside最多，充其量
at (the) worst最不利的一面；在最坏的情况下
at sixes and sevens乱七八糟；不和
双语例句：
1.Calculated the way sales taxes usually are, the rate would have to be at least 30% and possibly much higher.
按照销售税的通常计算方法，新税率至少达到30%，而且还可能高得多。
2.It didn't look like a baby, in fact there seemed to be more than one set of eyes blinking back at him.
看起来不像是个婴儿，实际上，不止有一双眼睛在对着他眨动。
3.I did not know whether tomorrow will have to rain, if will rain, I will treat at home.
5我不知道明天是否要下雨，如果下雨，我就待在家里。
4."We have at least one bespoke velvet jacket going through at the moment, " says Patrick Grant of Norton and Sons.
“我们目前至少已有一款全定制天鹅绒夹克正在推介，”诺顿父子（Norton&Sons）的帕特里克·格兰特（PatrickGrant）说。
5.That means getting your heart rate up three times a week for at least a half hour each time.
这也就是说每周让心跳加速三次，每次至少半小时。
6.In this post, we'll take a look at a few of those people and some of the things which they do to be unique from everyone else.
在本文中，我们分析其中一些设计师，看看他们设计出的与别人相
7.If we were at the beginning of an ordinary cyclical recovery, the combined fiscal and monetary policy response would be reasonable.
如果一场普通的周期性复苏已经拉开序幕，上述财政与货币政策的组合将是合理的。
8.Anyway private company is not that dependable. Don't waste your money, at least deposit the living fee for half a year.
私人单位始终不是那么可靠，你花钱不要大手大脚的，起码要存够半年的生活费呀。
9.But it is surely now apparent that the protection of human rights in Afghanistan cannot ultimately be secured at the point of a foreign gun.
但现在很显然，在阿富汗保护人权最终无法在外国枪口的威胁下实现。
10.But just to make it concrete and to see what's at stake, consider the distribution of wealth in the United States.
但是，为了让大家的思考能落实到具体的利害攸关点，我们可以考虑一下，美国的财富分配。
全部四级六级高考考研例句：
is something few can accomplishneeds some practice firstrequires a lot of patienceis a challenge at the beginningThey find it even more difficult.
出自-2017年6月阅读原文
While consumers are spending less on toilet paper, they remain fussy – in theory at least – when it comes to paper quality.
出自-2017年6月阅读原文
We have presidential candidates running for their first term in office at age 68, 69 and 74.
出自-2017年6月阅读原文
Veiseh can even put a date on when those tapes started recording: 15 December 2000, when he met his first girlfriend at his best friend's 16th birthday party.
出自-2017年6月阅读原文
There's part of this sickening horror of knowing you're walking on the edge with this, that I kind of like, knowing that it could all fall apart at any second.
出自-2017年6月阅读原文
The question is, how?Lawrence Patihis at the University of Southern Mississippi recently studied around 20 people with HSAM and found that they scored particularly highly on two measures: fantasy proneness ( ' , 倾向) and absorption.
出自-2017年6月阅读原文
She recalls:One day a man I worked with, Ryan, who had his office next to mine, said, Leah, let's go look at this space on Queen Anne .
出自-2017年6月阅读原文
One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger, says Lindson-Hawley, who studies tobacco and health at the University of Oxford.
出自-2017年6月阅读原文
Nor are they necessarily better at remembering a round of drinks, say.
出自-2017年6月阅读原文
It didn't take long for magazines and documentary film-makers to come to understand her total recall, and thanks to the subsequent media interest, a few dozen other subjects ( ' , including Veiseh) have since come forward and contacted the team at the University of California, Irvine.
出自-2017年6月阅读原文
Interestingly, their memories are highly self-centred: although they can remember autobiographical life events in extraordinary detail, they seem to be no better than average at recalling impersonal information, such as random ( ' , 任意选取的) lists of words.
出自-2017年6月阅读原文
In spring, chickens start laying again, bringing a welcome source of protein at winter's end.
出自-2017年6月阅读原文
I've broken eggs at every stage of the process—from the very beginning to the very, very end.
出自-2017年6月阅读原文
I remember sitting on a bench with my aunt at a yoga studio, she said, and having a moment of clarity right then and there: Yoga is saving my life.
出自-2017年6月阅读原文
Hackman ( ' , who died in 2013) noted that teams are hindered by problems of co-ordination and motivation that chip away at the benefits of collaboration.
出自-2017年6月阅读原文
Donohue, now a history teacher, agrees that it helped during certain parts of her education: I can definitely remember what I learned on certain days at school.
出自-2017年6月阅读原文
Consider trying to remember where you parked your car in the same car park you were at a week earlier.
出自-2017年6月阅读原文
But at least, she says, they can maximize the odds of success.
出自-2017年6月阅读原文
Barbara Hagerty looks at some of the features of people who turn midlife into a rebirth.
出自-2017年6月阅读原文
At some point, almost all of us will experience a period of radical professional change.
出自-2017年6月阅读原文
At middle age, he wrote, the sowing is behind; now is the time to reap.
出自-2017年6月阅读原文
Whenever she called her parents or other relatives, she always had to think about the time difference so that she wouldn’t wake someone up or call when she knew they were at church.
出自-2017年6月听力原文
When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.
出自-2017年6月听力原文
When Katherine joined Facebook, some of her classmates at high school started to add her as a friend.
出自-2017年6月听力原文
Tom Moses, who works at a nearby national park, noticed a brown patch on the back of the car after the owner parked it to do some shopping.
出自-2017年6月听力原文
She looked at the list of over 500 friends she had on Facebook and realized some of them were not really friends at all.
出自-2017年6月听力原文
On February 14th, the self-driving car, travelling at 2 miles per hour, pulled out in front of a public bus going 15 miles per hour.
出自-2017年6月听力原文
In fact, we seemed to be out all the time! I don’t really remember working— of course, I was a student—or sitting around at home very much.
出自-2017年6月听力原文
Hi, Susan! You’re looking very smart today! There is new data out today that confirms that many Americans are not good at math, and when it comes to everyday technology skills, we are dead last when compare to other developed countries.
出自-2017年6月听力原文
Dogs in the study looked most at the eyes of humans and other dogs to sense their emotions.
出自-2017年6月听力原文
At first, this didn’t bother her.
出自-2017年6月听力原文
And when looking at angry humans, they tended to turn away their gaze.
出自-2017年6月听力原文
A tour boat turned o v e r o f f t h e c o a s t o f Nicaragua, killing at least 13 people and leaving more passengers missing, official said.
出自-2017年6月听力原文
may be better at solving puzzlescan memorize things with more easemay have greater facility in abstract reasoningcan put what they have learnt into more effective usefind ways to slow down our mental declinefind ways to boost our memoriesunderstand the complex process of mental functioningunderstand the relation between physical and mental healthThe most important thing in the news last week was the rising discussion in Nashville about the educational needs of children.
出自-2016年6月阅读原文
When you look at attitudes toward driverless cars, there doesn't seem to be a clear generational divide.
出自-2016年6月阅读原文
When they had lunch in the dining room, they sat alone at the table.
出自-2016年6月阅读原文
We thought we would see differences based on the housing types, said the lead author of the study, Julie Robison, an associate professor of medicine at the university.
出自-2016年6月阅读原文
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
出自-2016年6月阅读原文
Trigger its built-in alarm system at once.
出自-2016年6月阅读原文
They reach a peak at the age of 20 for most people.
出自-2016年6月阅读原文
They had to work from early morning till late at night.
出自-2016年6月阅读原文
They ate three meals regularly every dayThey were expert at cooking meals.
出自-2016年6月阅读原文
They are better at negotiating an agreement.
出自-2016年6月阅读原文
The study included healthy, educated adults who took standard tests of memory, reasoning and perception at the outset and at some point over the next seven years.
出自-2016年6月阅读原文
The big meal came at around 1 p.
出自-2016年6月阅读原文
That study looked at nearly 28,000 Norwegian mothers and found that those moms who were more anxious, depressed and angry were more likely to feed their kids unhealthy diets.
出自-2016年6月阅读原文
Some show up ready, but many do not at this critical time when young brains are developing rapidly.
出自-2016年6月阅读原文
So what Epictetus would say is sitting at home worrying about that would be wrong and wasteful and irrational.
出自-2016年6月阅读原文
So the formerly small supper after sundown becomes the big meal of the day, the only one at which the family has a chance to get together.
出自-2016年6月阅读原文
Since industrialization, maintaining such a slow cultural metabolism has been much harder, with the long midday meal shrinking to whatever could be stuffed into a lunch bucket or bought at a food stand.
出自-2016年6月阅读原文
Philip Sloane, a geriatrician ( ' , 老年病学专家 ) at the University of North Carolina: In a way, that could be liberating for families.
出自-2016年6月阅读原文
Most people's minds function at a high level even in their later years, according to researcher Timothy Salthouse.
出自-2016年6月阅读原文
Meals are the foundation of the family, says Carole Counihan, a professor at Millersville University in Pennsylvania, so there was a very important interconnection between eating together and strengthening family ties.
出自-2016年6月阅读原文
Later, at 5 or 6, you'd have a smaller supper.
出自-2016年6月阅读原文
It was based on concepts developed at Vanderbilt University's Peabody College by Susan Gray, the legendary pioneer in early childhood education research.
出自-2016年6月阅读原文
Indeed, we have made substantial progress in some parts of the world on at least one of these—the distribution of family-planning services and the associated shift to smaller families.
出自-2016年6月阅读原文
In agrarian ( ' , 农业的 ), pre-industrial Europe, you'd want to wake up early, start working with the sunrise, have a break to have the largest meal, and then you'd go back to work, says Ken Albala, a professor of history at the University of the Pacific.
出自-2016年6月阅读原文
If the food situation continues to worsen, entire nations will break down at an ever increasing rate.
出自-2016年6月阅读原文
For this purpose, our schools need both the talent and the organization to educate each child who arrives at the schoolhouse door.
出自-2016年6月阅读原文
Even if there is no concrete benefit paid in response to your good deed, at the very least, the doer of the good deed has the opportunity to enjoy a kind of spiritually enlightened moment.
出自-2016年6月阅读原文
But what effect does your personality have on your longevity ( ' , 长寿)? Do some kinds of personalities lead to longer lives? A new study in the Journal of the American Geriatrics Society looked at this question by examining the personality characteristics of 246 children of people who had lived to be at least 100.
出自-2016年6月阅读原文
At first the researchers of the most recent study found residents in assisted living facilities gave higher scores on social interaction.
出自-2016年6月阅读原文
As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.
出自-2016年6月阅读原文
You probably think college students are experts at sleeping, but parties, preparations for tests, personal problems and general stress can wreck a student’s sleep habits, which can be bad for the body and the mind.
出自-2016年6月听力原文
The report warns that 200 million poor workers are at risk of joining the ranks of people living on less than two dollars per day in the past three years.
出自-2016年6月听力原文
Some, like Mr.Azar’s plastic bag, are open to argument as to how they work, or whether they really work at all.
出自-2016年6月听力原文
People suffering from sleep loss are at an increased risk from obesity, psychological problems and car crashes.
出自-2016年6月听力原文
Parents and teachers will tell you not to worry when applying for a place at a university.
出自-2016年6月听力原文
Much of the criticism is directed at the British Airports Authority, which runs seven major airports, including the three main ones serving in London.
出自-2016年6月听力原文
Meanwhile, there are complaints that poor service at London’s major airports is discouraging foreigners from doing business in Britain.
出自-2016年6月听力原文
Long queues, delayed flights and over - crowding at airports have become almost as much a topic for conversation in Britain as the traditional complaining about the weather.
出自-2016年6月听力原文
It was actually a tricycle with a petrol motor at the rear.
出自-2016年6月听力原文
In some departments, either the chairman or the director of graduate studies serves for at least the first semester as a new student adviser.
出自-2016年6月听力原文
I don’t know about perfecting but they want at least to be able to communicate decently.
出自-2016年6月听力原文
And are there any rules or regulations that you’d like to change?Behind the cash register at a store in downtown San Francisco, Sam Azar swiped his credit card to pay for a pack of cigarettes.
出自-2016年6月听力原文
116 brands were looked at for this study.
出自-2016年6月听力原文
We are at a point where in much of the developed world the vast majority of young people grew up playing video games, and an increasingly high percentage of adults play these video games too, Werbach says.
出自-2016年12月阅读原文
They're also only a single layer in what should ideally be a many-sided approach to securing your home, one that includes common sense things like sound locks and proper exterior lighting at night.
出自-2016年12月阅读原文
The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s.
出自-2016年12月阅读原文
The emotional component of the prizes is at work.
出自-2016年12月阅读原文
Teaching is an art and a craft, talent and practice; it is not something that just anyone can be good at.
出自-2016年12月阅读原文
Teachers are not people who are great at and consumed by research and happen to appear in a classroom.
出自-2016年12月阅读原文
Presumably, you keep your doors locked at night and while you're away, so the thief will still need to break in.
出自-2016年12月阅读原文
Manufacturers can produce consumer goods at a much lower cost.
出自-2016年12月阅读原文
If you have a sign in your yard declaring what setup you use, that'd point them in the right direction, though at that point, we're talking about a highly targeted, semi-sophisticated attack, and not the sort of forced-entry attack that makes up the majority of burglaries.
出自-2016年12月阅读原文
If we are designing for engineers, I'm not talking about a ‘game' at all, Cornetti says.
出自-2016年12月阅读原文
I first began to investigate the basis of human motivation—and how people persevere after setbacks—as a psychology graduate student at Yale University in the 1960s.
出自-2016年12月阅读原文
He'll need to be jamming you at this point, as a broken window or opened door would normally release the alarm.
出自-2016年12月阅读原文
Gamification is about understanding what it is that makes games engaging and what game designers do to create a great experience in games, and taking those learnings and applying them to other contexts such as the workplace and education, explains Kevin Werbach, a gamification expert who teaches at the Wharton School of Business at the University of Pennsylvania in the United States.
出自-2016年12月阅读原文
For them, the right kind of gamification might be turning their sales pitches into a competition with other team members, complete with a digital leaderboard showing who is winning at all times.
出自-2016年12月阅读原文
Consumers, in the U.S. at least, are acting cautiously with the savings they're getting at the gas pump, as the memory of the recent great recession is still fresh in their mind.
出自-2016年12月阅读原文
Consumers have more money in their pockets when they're paying less at the pump.
出自-2016年12月阅读原文
At the start of junior high, the math achievement test scores of the students with a growth mind-set were comparable to those of students who displayed a fixed mind-set.
出自-2016年12月阅读原文
At the end of the day, these kinds of systems are primarily designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries.
出自-2016年12月阅读原文
At the beginning of seventh grade, we assessed the students' mind-sets by asking them to agree or disagree with statements such as Your intelligence is something very basic about you that you can't really change.
出自-2016年12月阅读原文
Any device that's built to receive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on the same frequency.
出自-2016年12月阅读原文
Animal experiments by psychologists at the University of Pennsylvania had shown that after repeated failures, most animals conclude that a situation is hopeless and beyond their control.
出自-2016年12月阅读原文
And in my position as a professor at three different colleges, the actual problems in educating our young people and older students have deepened, while the number of people hired—not to teach but to hold meetings—has increased significantly.
出自-2016年12月阅读原文
Rescue efforts were underway Thursday morning for 17 miners who were stuck in an elevator below ground at Cargill rock salt mine near Lansing, New York, according to Marcia Lynch, Public Information officer at Tompkins County’s emergency Response Department.
出自-2016年12月听力原文
Plus, on-campus jobs eliminate commuting time, and could be a great way to connect with academic and professional resources at your university.
出自-2016年12月听力原文
本文参考文献：
1 http://www.mcb5.cn/we
2 http://www.mcb5.cn/can
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核心重点高频常考单词-at的发音/词性词义/用法/同近反义词/记忆法/词根词缀/高级替换词/中英文例句-秒词邦免费背单词赚钱微信小程序
单词拼写：
at
音标发音：
[æt; ət][æt; ət]
词性词义：
prep.在（表示存在或出现的地点、场所、位置、空间）；以（某种价格、速度等）；向；因为；朝；忙于
速记技巧：
对比串记法
拆：
对比arrive in和arrive at
记：
“arrive in”通常用于描述到达一个相对较大的地方，如城市、国家等。例如，“I will arrive in New York tomorrow.”（我明天将抵达纽约。）这里，“New York”是一个大城市，所以使用“arrive in”。“arrive at”则通常用于描述到达一个相对较小、更具体的地点，如机场、火车站、学校等。例如，“Please arrive at the airport two hours before departure.”（请在起飞前两小时到达机场。）这里，“airport”是一个具体的地点，所以使用“arrive at”。
英英释义：
Noun:
1.a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium2.100 at equal 1 kip in Laos
短语词组：
arrive at到达
assist at参与
bark at the moon空嚷
bay at the moon不断无谓地抱怨
be at sb's door（责任等）归于某人；（某事）是某人的责任
be left at the post从一开始就被远远地抛在后头
beat at the post在最后一刻被击败
beat sb at his own game将计就计地战胜某人
begin at从…开始
bite one's thumb at对…咬大拇指（表示侮辱或蔑视）
break apart at the seams破裂，失败，崩溃
burn the candle at both ends滥耗精力（或资财）
burst at the seams胀破裂缝，过满，过于拥挤
call at到…作短暂访问；（车、船等）停靠
cast a stone at攻击，指责
cast sheep's eyes at对某人做媚眼，（笨拙地）向…讨好
cast stones at攻击，指责
catch at试图抓住，拼命抓住；急切地去取；很快地接受
catch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
catch at shadows捕风捉影
catch at the rebound在…失恋或失望时乘虚而入
chafe at the bit烦躁不安地急欲挣脱束缚
champ at the bit烦躁不安地急欲挣脱束缚
chomp at the bit烦躁不安地急欲挣脱束缚
clutch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
cock a snook at对…做侮辱性的〔轻蔑的〕手势
come at拿到，发现；追击；了解到，弄清
come apart at the seams破裂，失败，崩溃
cut at朝…猛砍（或猛击等）
cut a snook at对…做侮辱性的〔轻蔑的〕手势
dig at挖苦
drive at孜孜不倦地干
eat at烦扰，困扰
fall at the seams破裂，失败，崩溃
fling dirt at中伤，诽谤
fly at扑向；猛烈攻击
fly at sb's throat扑向某人去掐脖子，突然向某人发起猛烈攻击
foam at the mouth口吐白沫；大怒；气得口沫横飞
get at伤害,贿赂
go at攻击（某人）；以…价格出售
grab at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
grasp at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
guess at猜想
hammer at锤击
have a bash at试着做
have a fling at尝试，试做
have a shot at尝试，试着做（或赶、夺等）；嘲笑，使恼怒
have a shy at嘲弄；试图击中；试图获得
have a smack at试做
have a stab at试图做，尝试
have a whack at照着…猛击一下；尝试
have sb at one's beck （and call）随心所欲地使唤某人
have sb at one's mercy使某人任凭自己摆布
have sth at heart对某事极为关心
have sth at one's finger tips对某事了如指掌，可以很容易地做某事
have at着手对付，攻击，打击
hawk at（如鹰一般）扑击，向…扑过去
jib at面对…畏缩不前
jump at跃向；急切地接受，欣然接受
keep at（使）继续做，（使）坚持干
keep at a distance对…冷淡；同…疏远；（与…）保持一定距离
kick at向…踢去
laugh at对…笑；因…而笑；嘲笑；对…一笑置之；蔑视
lay at one's door归咎于
leap at扑向，跃向；赶紧抓住（机会），迫不及待地接受
let drive at朝…打；对…发射
let it go at that不去多操心；不再多说
lie at anchor停泊
look at看,注视
look daggers at对…怒目而视
look down one's nose at不把…放在眼里
look at the world through rose-colo(u)red glasses乐观地看待一切事物
look at through rose-colo(u)red spectacles对…持乐观态度
make at袭击
make a face at对…做鬼脸
make a long nose at（对…）做鬼脸（即把拇指顶在鼻尖上，张开并摇动其余四指表示轻蔑的动作）
make a shy at嘲弄；试图击中；试图获得
make a snook at对…做侮辱性的〔轻蔑的〕手势
make a stab at试图做，尝试
make eyes at含情脉脉地看；（向…）送秋波
make faces at对…做鬼脸
make sheep's eyes at对某人做媚眼，（笨拙地）向…讨好
nip at一点一点地咬；慢慢侵袭；挑剔，找…的岔子
nothing to sneeze at不可轻视，不得小看
not much to look at样子不怎么好看的，相貌平常的
peck at（鸟、鸡等）啄（食）；不断敲打；勉强小口地吃
pick at扯拉，抓弄；无食欲地吃，无兴趣地干（某事）
pip at the post在最后一刻击败
play at玩，做（游戏等）；参加（体育活动，比赛等）；戏弄，嘲弄，儿戏似地做
play at soldiers（儿童）玩打仗游戏
play sb at his own game将计就计地战胜某人
point one's finger at（轻蔑地）指责
point the finger at（轻蔑地）指责
poke fun at开…的玩笑，嘲弄
pull at用力拉（或拖、扯等到）；从…中喝（酒等），从…中抽（烟）；对…产生影响，感染
put sb's mind at rest使某人放心，使某人安心
run at向…冲击，突然袭击
see at（怂恿…）袭击
seize at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
set one's cap at（女子）追求（男子），（女子）向（男子）挑逗
set sb's mind at rest使某人放心，使某人安心
set at naught蔑视，轻视，一笔抹杀
set at nothing使不成功，使落空
shake a finger at用食指指点，手指指着…以示责备；指出
shake a stick at关心，注意
shake one's finger at用食指指点，手指指着…以示责备；指出
shoot at向…袭击；试图达到〔完成〕，以…为目标，为…而努力
shoot at shadows捕风捉影
shudder at对…感到惊恐〔恐惧〕
sit at sb's feet受教于某人，崇拜某人
sit at the stern掌权，管理政事
sling dirt at中伤，诽谤
snap at猛咬,猛扑
snatch at a straw（落水者）捞救命稻草，（为求脱离困境等）作最后的绝望挣扎
sneeze at轻视，看轻
snip at在…上剪
snipe at对…射击
start at the bottom (of the ladder)从最低级做起，始于卑微
stick at停止做，对…却步，对…犹豫；继续努力做，坚持干
stick at trifles拘泥于小节
stop at nothing不顾一切，不择手段
strain at用力拉（或推），往…使劲；难以接受
strain at the leash急于摆脱束缚，急于开始
strike at打击，攻击；企图损害〔破坏〕
strike at the root(s)摧毁…的基础，根除
surrender at discretion无条件地投降
swear at咒骂，诅咒；（颜色等）与…不协调
take a fling at尝试，试做
take a look at瞧，看，注视，留意
take a poke at打…一拳
take a shot at尝试，试着做（或赶、夺等）；嘲笑，使恼怒
take a shy at嘲弄
take a sight at以拇指顶着鼻尖张摇其余四指对…表示嘲笑
take a stab at试图做，尝试
take a whack at照着…猛击一下；尝试
take offence at对…生气，因…见怪
take sb at a disadvantage乘隙攻击；利用某人的不利因素
take sb at advantage乘某人不备，使某人措手不及
take sb at his word相信某人说的是真话
take at the rebound在…失恋或失望时乘虚而入
talk at影射，不指名地批评，对…大发议论
throw a stone at攻击，指责
throw dirt at中伤，诽谤
throw mud at诽谤，中伤
throw oneself at sb's feet拜倒在某人脚下；崇拜某人
throw stones at攻击，指责
throw the book (of rules) at一股脑儿往…身上加罪名；从严惩罚；狠狠责备
thumb one's nose at对…嗤之以鼻，蔑视
tilt at windmills同假想的敌人（或坏事）战斗
try at试着做
turn up one's nose at不把…放在眼里，蔑视
turn up the nose at不把…放在眼里，蔑视
wag a finger at用食指指点，手指指着…以示责备；指出
wag one's finger at用食指指点，手指指着…以示责备；指出
wait at table伺候进餐，在餐厅
wink at向…使眼色
wish sb at the devil巴不得某人离得远远的
work at在…工作；在…任职；从事于，致力于
chip away at从…抽去实质性的东西；削弱；损害
come back at有力的回答
fly off at a tangent突然离开原来的思路，突然离题
get back at向…进行报复
get on at不断地指责
go off at a tangent突然离开原来的思路，突然离题
go off at half cock过早行事（或发表意见）
go off at score（赛跑时）全速起跑，精神抖擞地出发；突然很起劲地讲起来
go on at总是责备,缠着
hammer away at不懈地致力于
keep on at对…纠缠不休；不断催促，不停地困扰；对…责骂不休；不迁离（某处）；继续雇用（某人）
run off at the mouth滔滔不绝地谈论，胡吹，随便乱说
set off at score（赛跑时）全速起跑，精神抖擞地出发；突然很起劲地讲起来
stop short at在…突然刹车（或住手）；险些…
work out at总共达
skeleton at the feast宴席上的骷髅；扫兴的家伙〔事物〕
asleep at the switch玩忽职守；坐失良机
at a blow一击之下；一举，一下子；突然
at a clinic在诊所
at a college在大学
at a conference在会议上
at a dash迅速而洒脱地
at a disadvantage处于不利的地位
at a discount低于正常价格地，打折扣；（股票值）低于票面价值；无销路的，不值钱的
at a distance有相当距离
at a fast pace以快速度
at a gallop以最快速度，飞快地，急速地
at a guess凭猜测
at all丝毫，一点；根本；究竟；从任何方面考虑
at all costs不惜任何代价，无论如何
at all events不管怎样；无论如何
at all hazards不顾一切危险地
at all hours在任何时候，始终不间断地
at all points在各部分，在各方面；完全地
at all rates无论如何，至少
at all times随时，总是
at a loose end没有安定职业的；对未来没有明确计划的；闲着的；未解决的；混乱的
at a loss困惑不解
at a low ebb处于低潮；处于衰退状态
at a minute's notice提前一分钟
at a moment's notice提前一会儿
at anchor抛着锚；停泊着
at an easy rate廉价的，很容易的，不费力的
at an end结束
at any cost不惜任何代价，无论如何
at any minute随时，在任何时刻
at any moment时时刻刻
at any price不惜任何代价
at any rate无论如何，不管怎么说，至少
at any time在任何时候，随时
at a pinch必要时，在紧要关头
at a premium以超过一般的价格〔价值〕；非常稀罕的，奇缺的
at a price以很高代价
at a profit以获利的结果
at a push一推之下，一按之下；在紧急时；不得已时；困难地
at a rate of knots极快，迅速地
at arm's length以一臂之远；在伸手可及之处；相当疏远地；保持一定距离地；（交易）双方均不受对方控制地
at a rush急速地，赶紧地
at a sale在大拍卖中
at a single blow一击之下；一举，一下子；突然
at a standstill处于停顿状态
at a stand停住，停止，停顿；茫然不知所措
at a stretch不停地，一口气地；在尽量利用设备（或资源等）情况下
at a stroke一下子，一举
at a sweep一下子，一举
at a〔the〕 run奔跑着
at a time每次，一次
at a touch一触（就）
at a venture碰巧，随便地，未经考虑地
at a whack一下子，一口气
at a word（对请求、建议等）反应迅速的
at base本质上
at bay（猎物等）被围；处于走投无路的境地
at close hand近处，就在附近
at close quarters接近地；短兵相接地
at cost按成本〔成本价格〕
at cross-purposes相互误解；相互矛盾
at daggers drawn剑拔弩张，势不两立
at daybreak黎明时
at death's door行将就木
at discretion随意，任意
at each other's throat(s)激烈争吵，吵架，打架，斗殴
at ease无忧无虑
at every moment时时刻刻，不停地
at every opportunity利用一切机会
at every pore极度；非常
at every turn每次，事事，处处
at fault（猎犬）失去嗅迹；感到困惑，不知所措；出毛病；有责任
at first appearance初看起来，乍一看
at first sight乍一看，一见之下，立即
at first thought乍一想
at full capacity以最大的产量；最大限度地
at full length全身伸展地；详尽地，无删节地
at full pelt全速地，开足马力地，尽快地
at full speed尽快地，以最快速度，拼命地
at full split以极高的速度，拼命地
at (full) strain全力以赴，竭尽全力
at full strength全到场的（地），以全员，以满员
at full stretch尽量伸出手臂；全力地，极其紧张地
at full throttle油门大开地，以全速
at full tilt全速地，全力地
at grass被放牧在草场上的；闲着，休假中，不工作的
at great expense花了很多钱；以很大的代价
at great length详尽地；长久地
at grips with在与…搏斗；在（认真）对付（或处理）
at gunpoint在枪口威胁下
at hand近在手边，在附近；供使用；即将来到，即将发生；被考虑中
at hazard在危险中，存亡攸关；随意地
at heart内心里；本质上；实际上
at heel紧紧在后
at high tilt全速地，全力地
at issue在争论中,不一致
at it忙个不停
at knife point在刀子的威胁下
at law根据法律，通过法律手段
at leisure有空的；不忙碌的；从容地；慢慢地；失业的
at length最终，终于；详尽地；长久地；啰唆地
at liberty自由的，不受监禁的；获许可的，有权的；有空闲的，不占用的；失业的
at little expense花了很少钱；以很小的代价
at logger-heads不和，相争
at moments时时，不时
at night在晚上，在夜里
at nights夜里经常地
at no period从未有过
at no time在任何时候都不，从来没有
at nurse(小孩)由别人带的；（房产等）交人照看的
at odds不和，争吵
at one一致
at one another's throat(s)激烈争吵，吵架，打架，斗殴
at one blow一击之下；一举，一下子；突然
at one fling一气呵成地，一鼓作气地
at one jump一下子
at one moment一度
at one point在某一时刻
at one's best处于最佳状态；在全盛时期
at (one's) command可自由使用（或支配）
at one's fingertips近在手边；随时可供应；立即可以得到；精通，熟悉
at one's last gasp临终，于奄奄一息时；在最后时刻；筋疲力尽的
at one's leisure在空闲时，在方便时
at one's mother' s knee在母亲膝下；在孩提时期
at one's own pace以轻松自在的速度
at one's own (sweet) will全凭自己的意愿，随心所欲地
at one's peril自担风险
at (one's) pleasure随便，随意
at one's〔sb's〕 elbow在某人手边，在某人近旁
at one's strongest在最强的状态下
at one's time of life在这个年纪
at one's tongue's end在嘴边
at one's tricks作弄人
at one stroke一下子，一举
at one sweep一下子，一举
at one's wit's end智穷计尽，全然不知所措
at one time曾经有一个时期，一度；同时
at one time and another在不同的时期，在不同的场合
at one time with another在不同的时期，在不同的场合
at one whack一下子，一口气
at other times在别的时候；平时
at pains尽力，费尽苦心，努力
at par照票面价，与票面价值相等的
at peace处于和睦（或和平）状态；处于平静状态
at present现在，目前
at present writing在写本文〔本书〕时
at quiet平静的（地），安静的（地）
at rest休息之中；处于安息状态；处于停止状态
at risk处境危险，遭受危险
at roost栖着，歇着；在睡觉
at sb's back作某人的后盾，给某人撑腰；（紧紧）在某人之后
at sb's behest按照某人的命令，应某人的请求（或邀请）
at sb's command服从某人，听某人吩咐
at sb's disposal任某人处理；供某人使用；由某人支配
at sb's doorstep在某人的近旁；在某人的利益〔职责，能力〕范围之内
at sb's expense由某人付钱，由某人负担费用；在使某人受损害的情况下
at sb's feet在…支配下，作为…的门徒（或臣民等）
at sb's neck想卡住人的脖子，要某人的命
at sb's pleasure随某人之便，按某人之意
at sb's request应某人的要求（或请求）
at sb's service听某人吩咐；任凭某人使用
at school在学校；在上课；在求学
at sea在海上（航行）；茫然，困惑
at short notice提前很短时间
at sight一见（就）；一经要求（就）；一出示（就）
at source在源头，在始发地
at speed高速地，迅速地
at stake在危急关头，在危险中
at stud(公畜)供配种用
at sword's points在剑拔弩张之时
at table在进餐，进餐时，席间
at term到期终时，到期
at that就那样，就这样，到此为止；此外，而且；毕竟
at that point in time那时
at that rate照那种情形，既然那样
at that time在那时
at the back of作…的后盾，给…撑腰；作为…背后的原因
at the back of sb's mind在某人的脑海深处
at the beck (and call) of唯…之命是从，听凭…调遣
at the best of times即使在最好的情况下
at (the) bottom基本上，实质上；在心底
at the bottom of是…真正的起因（或根源）
at the bottom of one's heart在某人内心深处
at the cost of以…为代价
at the crossroads处在抉择的紧要关头
at the discretion of随…的意见办理，由…斟酌决定
at the double迅速地，尽快地，立即；以跑步方式
at the drop of一听到（或看到）…（就…）
at the drop of a hat立即，毫不迟疑地；乐意地
at the earliest opportunity一有机会
at the end最终，终了时
at the end of the rainbow在可望而不可即的地方
at the expense of由…负担费用；以…为代价
at the feet of在…支配下，作为…的门徒（或臣民等）
at (the) first blush乍一看，根据初步印象；经初步考虑
at (the) first glance乍看上去，乍一看；最初看到时；最初考虑时
at the first go-off一开始
at the first jump一开始
at the first opportunity一有机会
at the fore（信号旗）悬在前桅上；在前面
at the full（月）在最圆时；完整地，完全地；充分地
at the hand(s) of从…那里；由于…的作用
at the heels of紧紧地跟在…后面
at the instigation of受…的唆使；在…煽动之下
at the kill（战争、比赛）结束时在场；不幸的事发生时在场
at the last gasp临终，于奄奄一息时；在最后时刻；筋疲力尽的
at the last minute在最后一刻，在紧要关头
at the last moment在最后一刻
at the mercy of任凭…的摆布
at the moment此刻，目前；那时，当时
at (the) news of一得到…消息
at the news that一得到…消息
at the parting of the ways在岔口路上，在十字路口；在需要作出重大抉择的时刻，在关键时刻；在分别时，在分道扬镳时
at the point of正要…之际，就要…之时
at the point of a〔the〕 gun在武力威逼下
at (the) press印刷中（的）
at the rate of knots极迅速地，飞快地
at (the) root实际上，本质上
at the same time同时；然而，不过
at (the) sight of一看见
at the slope（士兵）扛着枪，（枪）被扛着
at the start开始时，一开始
at the stroke准时地，准点地
at the stroke of a pen大笔一挥
at the tail of跟随…之后，尾随着
at the thought of一想起…（就）
at the time (when)在（…）那时，（当…）那个时候
at the tips of sb's fingers就在某人手头的，某人随时可用的
at the top of one's lungs用尽量大的声音
at the top (of the tree)（在同行中）高居首位
at the wheel在驾驶，在操舵；控制，掌管
at this接着就，随即
at this juncture在这个当口
at this moment in time此时此刻
at this point in time此时，现在
at this rate照这种情形，既然如此
at this time在此时
at this time of (the) day在一天中的这个时候（如清晨、深夜等）；在这个阶段（如历史、文化、谈判等的后阶段）
at this writing在写本文〔本书〕时
at times有时，间或
at top speed尽快地，以最快速度，拼命地
at twice分两次地；第二次
at variance（事物之间）不一致，不相符合
at volley不经意地，顺便地；（球）未落地凌空时
at war (with)（同…）处于作战状态，（同…）不和，（同…）进行竞争
at wholesale用批发方式
at will任意，随意
at work在工作，在干活，在劳动；在工作地点，在工作场所，在办公室；在运转，在起作用
at wrong end在错的一头；不对头
at your convenience在你方便的时候，以你认为合适的方式
at your earliest convenience在你方便时尽早
be at a deadlock处于（或陷入）僵局
be at action stations准备行动，严阵以待
be at the end of one's rope山穷水尽；智穷力竭
be at the end of one's tether山穷水尽；智穷力竭
be at the races(妓女)街头卖笑
be at the receiving end（成为）接收方；（成为）承受（或被害者）一方
be in at the death（打猎时）目睹猎物被猎狗咬死；看到事情的结局
be in at the finish最后猎获猎物时亲自在场；在比赛的最后阶段亲自在场
down at (the) heel（鞋子）鞋跟磨掉的；（人）穿鞋跟磨破的鞋的；衣衫褴褛的；邋遢的
ill at ease局促不安，不自在
leave it at that就到此为止，别再说什么（或做什么）
light at the end of the tunnel（历尽艰辛之后终于看到的）成功之光；（久病之后终于出现的）康复可能
near at hand邻近，在近旁；在不久的将来
out at heel鞋跟穿破的；袜跟有洞的；衣衫褴褛的；邋遢的
out at (the) elbows（衣衫）露肘的，破旧的；衣衫褴褛的
out at (the) heels鞋跟穿破的；袜跟有洞的；衣衫褴褛的；邋遢的
the man at the wheel驾驶员，舵手；掌管者，负责人
back at square one回到起点
be in at在场
be on at唠叨，不停地催促〔责怪〕
hard at it努力工作
all at once突然，忽然；同时，一起
at home在家;在国内;无拘束;会客
at once立即,立刻,同时,既…又…
at once...and...既…又…
at random胡乱地，随便地，任意地
at earliest最早
at full（月亮）在最圆时；完整地，完全地
at large（罪犯、野兽等）未被捕获的，不受约束的；不具体的；没有固定职业的；普遍的，一般的
at last终于
at long last终于；经过很多苦恼（或麻烦）之后
at normal正常的（地）
at (the) best就最乐观的一方面看；至多，充其量
at (the) farthest最远（也不过…）；最迟（也不过…）；至多
at (the) first起先，开始时
at (the) furthest最远；最迟；至多
at (the) latest至迟，最晚
at (the) least至少；无论如何；不管怎样；反正
at (the) longest至多；最长
at (the) lowest至少；最低
at (the) most至多，不超过
at the very most至多，充其量不超过
at the (very) outside最多，充其量
at (the) worst最不利的一面；在最坏的情况下
at sixes and sevens乱七八糟；不和
双语例句：
1.Calculated the way sales taxes usually are, the rate would have to be at least 30% and possibly much higher.
按照销售税的通常计算方法，新税率至少达到30%，而且还可能高得多。
2.It didn't look like a baby, in fact there seemed to be more than one set of eyes blinking back at him.
看起来不像是个婴儿，实际上，不止有一双眼睛在对着他眨动。
3.I did not know whether tomorrow will have to rain, if will rain, I will treat at home.
5我不知道明天是否要下雨，如果下雨，我就待在家里。
4."We have at least one bespoke velvet jacket going through at the moment, " says Patrick Grant of Norton and Sons.
“我们目前至少已有一款全定制天鹅绒夹克正在推介，”诺顿父子（Norton&Sons）的帕特里克·格兰特（PatrickGrant）说。
5.That means getting your heart rate up three times a week for at least a half hour each time.
这也就是说每周让心跳加速三次，每次至少半小时。
6.In this post, we'll take a look at a few of those people and some of the things which they do to be unique from everyone else.
在本文中，我们分析其中一些设计师，看看他们设计出的与别人相
7.If we were at the beginning of an ordinary cyclical recovery, the combined fiscal and monetary policy response would be reasonable.
如果一场普通的周期性复苏已经拉开序幕，上述财政与货币政策的组合将是合理的。
8.Anyway private company is not that dependable. Don't waste your money, at least deposit the living fee for half a year.
私人单位始终不是那么可靠，你花钱不要大手大脚的，起码要存够半年的生活费呀。
9.But it is surely now apparent that the protection of human rights in Afghanistan cannot ultimately be secured at the point of a foreign gun.
但现在很显然，在阿富汗保护人权最终无法在外国枪口的威胁下实现。
10.But just to make it concrete and to see what's at stake, consider the distribution of wealth in the United States.
但是，为了让大家的思考能落实到具体的利害攸关点，我们可以考虑一下，美国的财富分配。
全部四级六级高考考研例句：
is something few can accomplishneeds some practice firstrequires a lot of patienceis a challenge at the beginningThey find it even more difficult.
出自-2017年6月阅读原文
While consumers are spending less on toilet paper, they remain fussy – in theory at least – when it comes to paper quality.
出自-2017年6月阅读原文
We have presidential candidates running for their first term in office at age 68, 69 and 74.
出自-2017年6月阅读原文
Veiseh can even put a date on when those tapes started recording: 15 December 2000, when he met his first girlfriend at his best friend's 16th birthday party.
出自-2017年6月阅读原文
There's part of this sickening horror of knowing you're walking on the edge with this, that I kind of like, knowing that it could all fall apart at any second.
出自-2017年6月阅读原文
The question is, how?Lawrence Patihis at the University of Southern Mississippi recently studied around 20 people with HSAM and found that they scored particularly highly on two measures: fantasy proneness ( ' , 倾向) and absorption.
出自-2017年6月阅读原文
She recalls:One day a man I worked with, Ryan, who had his office next to mine, said, Leah, let's go look at this space on Queen Anne .
出自-2017年6月阅读原文
One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger, says Lindson-Hawley, who studies tobacco and health at the University of Oxford.
出自-2017年6月阅读原文
Nor are they necessarily better at remembering a round of drinks, say.
出自-2017年6月阅读原文
It didn't take long for magazines and documentary film-makers to come to understand her total recall, and thanks to the subsequent media interest, a few dozen other subjects ( ' , including Veiseh) have since come forward and contacted the team at the University of California, Irvine.
出自-2017年6月阅读原文
Interestingly, their memories are highly self-centred: although they can remember autobiographical life events in extraordinary detail, they seem to be no better than average at recalling impersonal information, such as random ( ' , 任意选取的) lists of words.
出自-2017年6月阅读原文
In spring, chickens start laying again, bringing a welcome source of protein at winter's end.
出自-2017年6月阅读原文
I've broken eggs at every stage of the process—from the very beginning to the very, very end.
出自-2017年6月阅读原文
I remember sitting on a bench with my aunt at a yoga studio, she said, and having a moment of clarity right then and there: Yoga is saving my life.
出自-2017年6月阅读原文
Hackman ( ' , who died in 2013) noted that teams are hindered by problems of co-ordination and motivation that chip away at the benefits of collaboration.
出自-2017年6月阅读原文
Donohue, now a history teacher, agrees that it helped during certain parts of her education: I can definitely remember what I learned on certain days at school.
出自-2017年6月阅读原文
Consider trying to remember where you parked your car in the same car park you were at a week earlier.
出自-2017年6月阅读原文
But at least, she says, they can maximize the odds of success.
出自-2017年6月阅读原文
Barbara Hagerty looks at some of the features of people who turn midlife into a rebirth.
出自-2017年6月阅读原文
At some point, almost all of us will experience a period of radical professional change.
出自-2017年6月阅读原文
At middle age, he wrote, the sowing is behind; now is the time to reap.
出自-2017年6月阅读原文
Whenever she called her parents or other relatives, she always had to think about the time difference so that she wouldn’t wake someone up or call when she knew they were at church.
出自-2017年6月听力原文
When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.
出自-2017年6月听力原文
When Katherine joined Facebook, some of her classmates at high school started to add her as a friend.
出自-2017年6月听力原文
Tom Moses, who works at a nearby national park, noticed a brown patch on the back of the car after the owner parked it to do some shopping.
出自-2017年6月听力原文
She looked at the list of over 500 friends she had on Facebook and realized some of them were not really friends at all.
出自-2017年6月听力原文
On February 14th, the self-driving car, travelling at 2 miles per hour, pulled out in front of a public bus going 15 miles per hour.
出自-2017年6月听力原文
In fact, we seemed to be out all the time! I don’t really remember working— of course, I was a student—or sitting around at home very much.
出自-2017年6月听力原文
Hi, Susan! You’re looking very smart today! There is new data out today that confirms that many Americans are not good at math, and when it comes to everyday technology skills, we are dead last when compare to other developed countries.
出自-2017年6月听力原文
Dogs in the study looked most at the eyes of humans and other dogs to sense their emotions.
出自-2017年6月听力原文
At first, this didn’t bother her.
出自-2017年6月听力原文
And when looking at angry humans, they tended to turn away their gaze.
出自-2017年6月听力原文
A tour boat turned o v e r o f f t h e c o a s t o f Nicaragua, killing at least 13 people and leaving more passengers missing, official said.
出自-2017年6月听力原文
may be better at solving puzzlescan memorize things with more easemay have greater facility in abstract reasoningcan put what they have learnt into more effective usefind ways to slow down our mental declinefind ways to boost our memoriesunderstand the complex process of mental functioningunderstand the relation between physical and mental healthThe most important thing in the news last week was the rising discussion in Nashville about the educational needs of children.
出自-2016年6月阅读原文
When you look at attitudes toward driverless cars, there doesn't seem to be a clear generational divide.
出自-2016年6月阅读原文
When they had lunch in the dining room, they sat alone at the table.
出自-2016年6月阅读原文
We thought we would see differences based on the housing types, said the lead author of the study, Julie Robison, an associate professor of medicine at the university.
出自-2016年6月阅读原文
We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
出自-2016年6月阅读原文
Trigger its built-in alarm system at once.
出自-2016年6月阅读原文
They reach a peak at the age of 20 for most people.
出自-2016年6月阅读原文
They had to work from early morning till late at night.
出自-2016年6月阅读原文
They ate three meals regularly every dayThey were expert at cooking meals.
出自-2016年6月阅读原文
They are better at negotiating an agreement.
出自-2016年6月阅读原文
The study included healthy, educated adults who took standard tests of memory, reasoning and perception at the outset and at some point over the next seven years.
出自-2016年6月阅读原文
The big meal came at around 1 p.
出自-2016年6月阅读原文
That study looked at nearly 28,000 Norwegian mothers and found that those moms who were more anxious, depressed and angry were more likely to feed their kids unhealthy diets.
出自-2016年6月阅读原文
Some show up ready, but many do not at this critical time when young brains are developing rapidly.
出自-2016年6月阅读原文
So what Epictetus would say is sitting at home worrying about that would be wrong and wasteful and irrational.
出自-2016年6月阅读原文
So the formerly small supper after sundown becomes the big meal of the day, the only one at which the family has a chance to get together.
出自-2016年6月阅读原文
Since industrialization, maintaining such a slow cultural metabolism has been much harder, with the long midday meal shrinking to whatever could be stuffed into a lunch bucket or bought at a food stand.
出自-2016年6月阅读原文
Philip Sloane, a geriatrician ( ' , 老年病学专家 ) at the University of North Carolina: In a way, that could be liberating for families.
出自-2016年6月阅读原文
Most people's minds function at a high level even in their later years, according to researcher Timothy Salthouse.
出自-2016年6月阅读原文
Meals are the foundation of the family, says Carole Counihan, a professor at Millersville University in Pennsylvania, so there was a very important interconnection between eating together and strengthening family ties.
出自-2016年6月阅读原文
Later, at 5 or 6, you'd have a smaller supper.
出自-2016年6月阅读原文
It was based on concepts developed at Vanderbilt University's Peabody College by Susan Gray, the legendary pioneer in early childhood education research.
出自-2016年6月阅读原文
Indeed, we have made substantial progress in some parts of the world on at least one of these—the distribution of family-planning services and the associated shift to smaller families.
出自-2016年6月阅读原文
In agrarian ( ' , 农业的 ), pre-industrial Europe, you'd want to wake up early, start working with the sunrise, have a break to have the largest meal, and then you'd go back to work, says Ken Albala, a professor of history at the University of the Pacific.
出自-2016年6月阅读原文
If the food situation continues to worsen, entire nations will break down at an ever increasing rate.
出自-2016年6月阅读原文
For this purpose, our schools need both the talent and the organization to educate each child who arrives at the schoolhouse door.
出自-2016年6月阅读原文
Even if there is no concrete benefit paid in response to your good deed, at the very least, the doer of the good deed has the opportunity to enjoy a kind of spiritually enlightened moment.
出自-2016年6月阅读原文
But what effect does your personality have on your longevity ( ' , 长寿)? Do some kinds of personalities lead to longer lives? A new study in the Journal of the American Geriatrics Society looked at this question by examining the personality characteristics of 246 children of people who had lived to be at least 100.
出自-2016年6月阅读原文
At first the researchers of the most recent study found residents in assisted living facilities gave higher scores on social interaction.
出自-2016年6月阅读原文
As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.
出自-2016年6月阅读原文
You probably think college students are experts at sleeping, but parties, preparations for tests, personal problems and general stress can wreck a student’s sleep habits, which can be bad for the body and the mind.
出自-2016年6月听力原文
The report warns that 200 million poor workers are at risk of joining the ranks of people living on less than two dollars per day in the past three years.
出自-2016年6月听力原文
Some, like Mr.Azar’s plastic bag, are open to argument as to how they work, or whether they really work at all.
出自-2016年6月听力原文
People suffering from sleep loss are at an increased risk from obesity, psychological problems and car crashes.
出自-2016年6月听力原文
Parents and teachers will tell you not to worry when applying for a place at a university.
出自-2016年6月听力原文
Much of the criticism is directed at the British Airports Authority, which runs seven major airports, including the three main ones serving in London.
出自-2016年6月听力原文
Meanwhile, there are complaints that poor service at London’s major airports is discouraging foreigners from doing business in Britain.
出自-2016年6月听力原文
Long queues, delayed flights and over - crowding at airports have become almost as much a topic for conversation in Britain as the traditional complaining about the weather.
出自-2016年6月听力原文
It was actually a tricycle with a petrol motor at the rear.
出自-2016年6月听力原文
In some departments, either the chairman or the director of graduate studies serves for at least the first semester as a new student adviser.
出自-2016年6月听力原文
I don’t know about perfecting but they want at least to be able to communicate decently.
出自-2016年6月听力原文
And are there any rules or regulations that you’d like to change?Behind the cash register at a store in downtown San Francisco, Sam Azar swiped his credit card to pay for a pack of cigarettes.
出自-2016年6月听力原文
116 brands were looked at for this study.
出自-2016年6月听力原文
We are at a point where in much of the developed world the vast majority of young people grew up playing video games, and an increasingly high percentage of adults play these video games too, Werbach says.
出自-2016年12月阅读原文
They're also only a single layer in what should ideally be a many-sided approach to securing your home, one that includes common sense things like sound locks and proper exterior lighting at night.
出自-2016年12月阅读原文
The team at Frontpoint addresses the issue in a blog on its site, citing their own jam protection software and claiming that there aren't any documented cases of successful jam attack since the company began offering wireless security sensors in the 1980s.
出自-2016年12月阅读原文
The emotional component of the prizes is at work.
出自-2016年12月阅读原文
Teaching is an art and a craft, talent and practice; it is not something that just anyone can be good at.
出自-2016年12月阅读原文
Teachers are not people who are great at and consumed by research and happen to appear in a classroom.
出自-2016年12月阅读原文
Presumably, you keep your doors locked at night and while you're away, so the thief will still need to break in.
出自-2016年12月阅读原文
Manufacturers can produce consumer goods at a much lower cost.
出自-2016年12月阅读原文
If you have a sign in your yard declaring what setup you use, that'd point them in the right direction, though at that point, we're talking about a highly targeted, semi-sophisticated attack, and not the sort of forced-entry attack that makes up the majority of burglaries.
出自-2016年12月阅读原文
If we are designing for engineers, I'm not talking about a ‘game' at all, Cornetti says.
出自-2016年12月阅读原文
I first began to investigate the basis of human motivation—and how people persevere after setbacks—as a psychology graduate student at Yale University in the 1960s.
出自-2016年12月阅读原文
He'll need to be jamming you at this point, as a broken window or opened door would normally release the alarm.
出自-2016年12月阅读原文
Gamification is about understanding what it is that makes games engaging and what game designers do to create a great experience in games, and taking those learnings and applying them to other contexts such as the workplace and education, explains Kevin Werbach, a gamification expert who teaches at the Wharton School of Business at the University of Pennsylvania in the United States.
出自-2016年12月阅读原文
For them, the right kind of gamification might be turning their sales pitches into a competition with other team members, complete with a digital leaderboard showing who is winning at all times.
出自-2016年12月阅读原文
Consumers, in the U.S. at least, are acting cautiously with the savings they're getting at the gas pump, as the memory of the recent great recession is still fresh in their mind.
出自-2016年12月阅读原文
Consumers have more money in their pockets when they're paying less at the pump.
出自-2016年12月阅读原文
At the start of junior high, the math achievement test scores of the students with a growth mind-set were comparable to those of students who displayed a fixed mind-set.
出自-2016年12月阅读原文
At the end of the day, these kinds of systems are primarily designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries.
出自-2016年12月阅读原文
At the beginning of seventh grade, we assessed the students' mind-sets by asking them to agree or disagree with statements such as Your intelligence is something very basic about you that you can't really change.
出自-2016年12月阅读原文
Any device that's built to receive a wireless signal at a specific frequency can be overwhelmed by a stronger signal coming in on the same frequency.
出自-2016年12月阅读原文
Animal experiments by psychologists at the University of Pennsylvania had shown that after repeated failures, most animals conclude that a situation is hopeless and beyond their control.
出自-2016年12月阅读原文
And in my position as a professor at three different colleges, the actual problems in educating our young people and older students have deepened, while the number of people hired—not to teach but to hold meetings—has increased significantly.
出自-2016年12月阅读原文
Rescue efforts were underway Thursday morning for 17 miners who were stuck in an elevator below ground at Cargill rock salt mine near Lansing, New York, according to Marcia Lynch, Public Information officer at Tompkins County’s emergency Response Department.
出自-2016年12月听力原文
Plus, on-campus jobs eliminate commuting time, and could be a great way to connect with academic and professional resources at your university.
出自-2016年12月听力原文
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