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单词拼写：
before
音标发音：
[bɪˈfɔː(r)][bɪˈfɔːr]
词性词义：
prep.在…之前，先于
速记技巧：
词源词根法
拆：
前缀be-，强调。fore，前面的。来源于日耳曼语，在古英语中是beforan，由前缀be-(经由)和后半部foran(前面)组成；后半部foran同时是现代英语中for的词源，最初的意义是
记：
be（是）+fore（前面）=before（是前面的）即“在……前面”
英英释义：
Adverb:
1.earlier in time; previously; "I had known her before" "as I said before" "he called me the day before but your call had come even earlier" "her parents had died four years earlier" "I mentioned that problem earlier"2.at or in the front; "I see the lights of a town ahead" "the road ahead is foggy" "staring straight ahead" "we couldn't see over the heads of the people in front" "with the cross of Jesus marching on before"
短语词组：
appear before在(某时)之前出现;出庭
carry before迅速获胜,势如破竹
come before在…之上,比…重要;被交由…处理；被提交…考虑
complain before控诉
go before出现在某人面前；送于…讨论；先于；早于
lay before提出
set before把…放在…前面；认为…比…更重要；把…提交…考虑
stand before站立在…前面，来到…面前，面对，面临，抵御，抵挡
carry the world before one一举大获成功
cast pearls before swine对牛弹琴,明珠暗投
put the cart before the horse本末倒置,倒行逆施
sweep all before one获得彻底的胜利，所向无敌
be brought before the bench被带到法庭受审
take sb before court将…送上法庭
before day破晓前
before long不久,很快;在短时间内
before one's eyes当着某人的面
before one's time在时代前面;思想过于先进
before the mast充当水手
before time提前
before the wind顺风
before the world在众人面前，公然
the day before yesterday前天
the week before last上上星期
before now从前,以前
记忆技巧：
be- 介词前缀 + fore- 前面,预先
同义词辨析：
ago before formerly previously【导航词义：以前】
agoadv.以前
〔辨析〕
指从现在起往前推算一段时间，通常和一般过去时的动词连用。
〔例证〕
He left a moment ago.
他刚走。
There was a pond here three years ago.
3年前，这里有一个池塘。
beforeadv.先前，以前
〔辨析〕
指过去某时间之前的时间或泛指以前，通常与动词的现在完成时连用，有时也可与动词的过去完成时或一般过去时连用，也可用于具体的一段时间；在间接引语中用 before 而不用 ago。
〔例证〕
Have you heard about it before?
你过去听说过这件事吗？
I have never met him before.
我以前从未见过他。
He said that he had met the man somewhere before.
他说他以前在什么地方见过这个人。
He was in Italy the week before.
他前一个星期在意大利。
formerlyadv.以前，从前
〔辨析〕
泛指以前，有时常用于对比。
〔例证〕
Formerly, Ted often lingered around a park, with nothing to do.
从前，特德时常在公园里闲逛，无所事事。
He was formerly a worker, but now he is a manager of a shop.
他曾经是个工人，可现在他是一家商店的经理。
previouslyadv.以前，先前
〔辨析〕
与 before 用法相同，但更加正式。
〔例证〕
I haven't met him previously.
我以前没有见过他。
She previously worked as a teacher.
她过去当过教师。
Six months previously he had quitted his job.
6个月前他辞职了。
同反义词：
同义词
adv.
already earlier previously ago back formerly
反义词
adv.
after
双语例句：
1."I found out just a few minutes before we came out, " he said.
“在我们上场前，我才得知这个消息。”他说。
2.The boat would have to leave this site before 5 am to avoid Chinese patrol ships.
第5天上午，小船将离开这个位置，以躲避中国巡逻舰。
3.Let me now present the president of the company to speak before you.
现在让我介绍公司的董事长给大家讲话。
4.My love is all over before it had even begun.
我的爱情没有开始就已经结束。
5.He rose from his feet and looked at them. And lo! He saw a king and a queen before him.
他站起身来看着他们。天啊！他看到的是一位国王和一位皇后站在他面前。
6.She stayed about twenty feet from me for a full twenty five minutes before she was willing to approach me. (I completely ignored her).
在它敢接近我前，它呆在离我二十英尺开外足足有二十五分钟。
7.When I stood on the bridge, three (up to five) vehicles started to move back and forth in front of me before long.
我站在桥上才一会儿，就有三、五辆车开始在我面前开来开去了。
8.In his revised statement, he said it would not be before next year's harvest had been reaped.
但在最新的声明中，普京表示直到明年小麦收割才会解除。
9.It is said that he was a great singer before. return Nothing but But he cares nothing but his research.
但他除了他的研究之外什么也不关心。
10.Until the day before yesterday, she found something of Hitachi City Hall staff, only fix the toilet.
直到前天，她找到日立市事役所工作人员，才修好厕所。
全部四级六级高考考研例句：
They also had talk therapy with a nurse before and after quit day.
出自-2017年6月阅读原文
She never knows if the egg will break before the design is completed.
出自-2017年6月阅读原文
People in both groups used nicotine ( ' , 尼古丁) patches before they quit, in addition to a second form of nicotine replacement, like gum or spray.
出自-2017年6月阅读原文
Instead of giving people practice, the gradual reduction likely gave them cravings ( ' , 瘾) and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.
出自-2017年6月阅读原文
By conventional standards, Leah was a typical successful woman before she changed her career.
出自-2017年6月阅读原文
And the quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
出自-2017年6月阅读原文
The shorthand ( ' , 简写) educators use for this is pre-K —meaning instruction before kindergarten—and the big idea is to prepare 4-year-olds and even younger kids to be ready to succeed on their K-12 journey.
出自-2016年6月阅读原文
Such findings, which run counter to common sense, have surfaced before.
出自-2016年6月阅读原文
Indeed, even before the steep climb in grain prices in 2008, the number of failing states was expanding.
出自-2016年6月阅读原文
Do sufficient testing before taking action.
出自-2016年6月阅读原文
Before we collectively tear our hair out—how are we supposed to find our way in a landscape this confusing? —here is a thought from Dr.
出自-2016年6月阅读原文
They have more older students than before.
出自-2016年12月阅读原文
As said before, with the right equipment and the right know-how, it's possible to jam any wireless transmission.
出自-2016年12月阅读原文
But just before he reached the car door, he suddenly stopped, crouching ( ' , 蹲伏 ) down to peer at something on the sidewalk.
出自-2015年12月阅读原文
Before you brush this argument aside as rubbish, or think of joy as an unaffordable luxury in a nation where there is awful poverty, low academic achievement, and high dropout rates, think again.
出自-2015年12月阅读原文
The Healthy Choice product line was carefully tested with consumers before being introduced to the general public.
出自-2015年12月听力原文
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
出自-2015年12月听力原文
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
出自-2015年12月听力原文
A 2016 review of 10 studies looking into the relationship between breakfast and weight management concluded there is "limited evidence" supporting or refuting (反驳) the argument that breakfast influences weight or food intake, and more evidence is required
2019年12月四级真题（第三套）阅读 section B
Also, if we both sign up before Friday, we can get a discount on a six-month membership.
2018年6月四级真题（第一套）听力 Section B
America's Internet is faster than ever before, but people still complain about their Internet being too slow.
2017年6月四级真题（第二套）阅读 Section A
Before Allred knew it, New Mexico State police officers were among the many stopping by,helping them reach a total of $568.
2017年12月四级真题（第二套）听力 Section A
But I should be in tomorrow morning before I go out for lunch.
2019年6月四级真题（第二套）听力 Section B
But just before he reached the car door, he suddenly stopped, crouching (蹲伏) down to peer at something on the sidewalk.
2015年12月四级真题（第一套）阅读 Section B
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
2015年12月四级真题（第二套）听力 Section A
Forgetting how to operate a familiar object like a microwave oven, or forgetting how to drive to the house of a friend you've visited many times before can also be signs of something going wrong.
2018年6月四级真题（第二套）阅读 Section C
Goel and his team developed several versions of Jill Watson before releasing her to the online forums.
2019年12月四级真题（第二套）阅读 Section C
I was hesitant because I knew so little about it and have never tried it before.
2018年12月四级真题（第三套）阅读 Section A
Instead of giving people practice, the gradual reduction likely gave them cravings 瘾 and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.
2017年6月四级真题（第三套）阅读 Section C
I've got a little put aside for a rainy day, but I might need to earn a little more before we go.
2017年12月四级真题（第一套）听力 Section B
I've never earned so much money before.
2019年12月四级真题（第二套）听力 Section B
Juices are quick and easy to prepare, you can take the frozen fruit out the night before and have it ready the next morning.
2018年12月四级真题（第一套）阅读 Section B
Komada likes to teach his students that they should think about their move before they do it.
2019年6月四级真题（第一套）听力 Section C
Long before television cooking shows, Careme walked readers through common kitchen tasks, instructing them to "try this for yourself, at home" as famous American Chef Julia Child might do, many years later.
2018年12月四级真题（第二套）阅读 Section B
People in both groups used nicotine patches before they quit, in addition to a second form of nicotine replacement,like gum or spray.
2017年6月四级真题（第三套）阅读 Section C
Please keep in mind, this will be a new TV show, like nothing ever done before.
2019年12月四级真题（第一套）听力 Section B
So some animals, such as mice, collect extra food before winter, and hide it.
2017年6月四级真题（第二套）听力 Section C
The airlander will need to have 200 hours' flying time before being allowed to fly by the aviation administration.
2018年6月四级真题（第二套）听力 Section A
The day before I spoke to Martinez in November, he had beer touring the damage from Hurricane Michael in Florida with the American Red Cross.
2019年12月四级真题（第二套）阅读 Section B
The moon is also home to lunar orbiters that mapped the moon before they crashed into its surface, adding to the garbage heap.
2018年12月四级真题（第二套）听力 Section C
The Olympic got wrecked before the titanic did, but it was the only one to survive and maintain a successful career of 24 years.
2018年6月四级真题（第一套）阅读 Section C
The shorthand educators use for this is "pre-K"—meaning instruction before kindergarten—and the big idea is to prepare 4-year-olds and even younger kids to be ready to succeed on their K-12 journey.
2016年6月四级真题（第一套）阅读 Section C
They hope to return to the site with geologists for an additional search as there could before fossils near the site.
2019年12月四级真题（第二套）听力 Section C
This turn of events is fueled primarily by the dramatic drop in the share of young Americans who are choosing to settle down romantically before age 35.
2019年6月四级真题（第二套）阅读 Section B
This turn of events is fueled primarily by the dramatic drop in the share of young Americans who are choosing to settle down romantically before age.
2019年6月四级真题（第二套）阅读 Section B
To prepare for this before winter, these animals eat extra food to become fat, which gives them the energy they need while they sleep.
2017年6月四级真题（第二套）听力 Section C
We wanted to give people an opportunity to actually see the calories before they purchase the food and make a decision, an informed decision that if they want to make a healthier choice, if they want to eat fewer calories, they can.
2016年6月四级真题（第一套）听力 Section A
While 53% believe men will continue to hold more top executive positions in business in die future, 44% say it's only a matter of time before as many women are in top executive positions as men.
2019年6月四级真题（第二套）阅读 Section C
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核心重点高频常考单词-before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：
before
音标发音：
[bɪˈfɔː(r)][bɪˈfɔːr]
词性词义：
prep.在…之前，先于
速记技巧：
词源词根法
拆：
前缀be-，强调。fore，前面的。来源于日耳曼语，在古英语中是beforan，由前缀be-(经由)和后半部foran(前面)组成；后半部foran同时是现代英语中for的词源，最初的意义是
记：
be（是）+fore（前面）=before（是前面的）即“在……前面”
英英释义：
Adverb:
1.earlier in time; previously; "I had known her before" "as I said before" "he called me the day before but your call had come even earlier" "her parents had died four years earlier" "I mentioned that problem earlier"2.at or in the front; "I see the lights of a town ahead" "the road ahead is foggy" "staring straight ahead" "we couldn't see over the heads of the people in front" "with the cross of Jesus marching on before"
短语词组：
appear before在(某时)之前出现;出庭
carry before迅速获胜,势如破竹
come before在…之上,比…重要;被交由…处理；被提交…考虑
complain before控诉
go before出现在某人面前；送于…讨论；先于；早于
lay before提出
set before把…放在…前面；认为…比…更重要；把…提交…考虑
stand before站立在…前面，来到…面前，面对，面临，抵御，抵挡
carry the world before one一举大获成功
cast pearls before swine对牛弹琴,明珠暗投
put the cart before the horse本末倒置,倒行逆施
sweep all before one获得彻底的胜利，所向无敌
be brought before the bench被带到法庭受审
take sb before court将…送上法庭
before day破晓前
before long不久,很快;在短时间内
before one's eyes当着某人的面
before one's time在时代前面;思想过于先进
before the mast充当水手
before time提前
before the wind顺风
before the world在众人面前，公然
the day before yesterday前天
the week before last上上星期
before now从前,以前
记忆技巧：
be- 介词前缀 + fore- 前面,预先
同义词辨析：
ago before formerly previously【导航词义：以前】
agoadv.以前
〔辨析〕
指从现在起往前推算一段时间，通常和一般过去时的动词连用。
〔例证〕
He left a moment ago.
他刚走。
There was a pond here three years ago.
3年前，这里有一个池塘。
beforeadv.先前，以前
〔辨析〕
指过去某时间之前的时间或泛指以前，通常与动词的现在完成时连用，有时也可与动词的过去完成时或一般过去时连用，也可用于具体的一段时间；在间接引语中用 before 而不用 ago。
〔例证〕
Have you heard about it before?
你过去听说过这件事吗？
I have never met him before.
我以前从未见过他。
He said that he had met the man somewhere before.
他说他以前在什么地方见过这个人。
He was in Italy the week before.
他前一个星期在意大利。
formerlyadv.以前，从前
〔辨析〕
泛指以前，有时常用于对比。
〔例证〕
Formerly, Ted often lingered around a park, with nothing to do.
从前，特德时常在公园里闲逛，无所事事。
He was formerly a worker, but now he is a manager of a shop.
他曾经是个工人，可现在他是一家商店的经理。
previouslyadv.以前，先前
〔辨析〕
与 before 用法相同，但更加正式。
〔例证〕
I haven't met him previously.
我以前没有见过他。
She previously worked as a teacher.
她过去当过教师。
Six months previously he had quitted his job.
6个月前他辞职了。
同反义词：
同义词
adv.
already earlier previously ago back formerly
反义词
adv.
after
双语例句：
1."I found out just a few minutes before we came out, " he said.
“在我们上场前，我才得知这个消息。”他说。
2.The boat would have to leave this site before 5 am to avoid Chinese patrol ships.
第5天上午，小船将离开这个位置，以躲避中国巡逻舰。
3.Let me now present the president of the company to speak before you.
现在让我介绍公司的董事长给大家讲话。
4.My love is all over before it had even begun.
我的爱情没有开始就已经结束。
5.He rose from his feet and looked at them. And lo! He saw a king and a queen before him.
他站起身来看着他们。天啊！他看到的是一位国王和一位皇后站在他面前。
6.She stayed about twenty feet from me for a full twenty five minutes before she was willing to approach me. (I completely ignored her).
在它敢接近我前，它呆在离我二十英尺开外足足有二十五分钟。
7.When I stood on the bridge, three (up to five) vehicles started to move back and forth in front of me before long.
我站在桥上才一会儿，就有三、五辆车开始在我面前开来开去了。
8.In his revised statement, he said it would not be before next year's harvest had been reaped.
但在最新的声明中，普京表示直到明年小麦收割才会解除。
9.It is said that he was a great singer before. return Nothing but But he cares nothing but his research.
但他除了他的研究之外什么也不关心。
10.Until the day before yesterday, she found something of Hitachi City Hall staff, only fix the toilet.
直到前天，她找到日立市事役所工作人员，才修好厕所。
全部四级六级高考考研例句：
They also had talk therapy with a nurse before and after quit day.
出自-2017年6月阅读原文
She never knows if the egg will break before the design is completed.
出自-2017年6月阅读原文
People in both groups used nicotine ( ' , 尼古丁) patches before they quit, in addition to a second form of nicotine replacement, like gum or spray.
出自-2017年6月阅读原文
Instead of giving people practice, the gradual reduction likely gave them cravings ( ' , 瘾) and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.
出自-2017年6月阅读原文
By conventional standards, Leah was a typical successful woman before she changed her career.
出自-2017年6月阅读原文
And the quit rates were particularly convincing given that before the study started, most of the people had said they'd rather cut down gradually before quitting.
出自-2017年6月阅读原文
The shorthand ( ' , 简写) educators use for this is pre-K —meaning instruction before kindergarten—and the big idea is to prepare 4-year-olds and even younger kids to be ready to succeed on their K-12 journey.
出自-2016年6月阅读原文
Such findings, which run counter to common sense, have surfaced before.
出自-2016年6月阅读原文
Indeed, even before the steep climb in grain prices in 2008, the number of failing states was expanding.
出自-2016年6月阅读原文
Do sufficient testing before taking action.
出自-2016年6月阅读原文
Before we collectively tear our hair out—how are we supposed to find our way in a landscape this confusing? —here is a thought from Dr.
出自-2016年6月阅读原文
They have more older students than before.
出自-2016年12月阅读原文
As said before, with the right equipment and the right know-how, it's possible to jam any wireless transmission.
出自-2016年12月阅读原文
But just before he reached the car door, he suddenly stopped, crouching ( ' , 蹲伏 ) down to peer at something on the sidewalk.
出自-2015年12月阅读原文
Before you brush this argument aside as rubbish, or think of joy as an unaffordable luxury in a nation where there is awful poverty, low academic achievement, and high dropout rates, think again.
出自-2015年12月阅读原文
The Healthy Choice product line was carefully tested with consumers before being introduced to the general public.
出自-2015年12月听力原文
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
出自-2015年12月听力原文
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
出自-2015年12月听力原文
A 2016 review of 10 studies looking into the relationship between breakfast and weight management concluded there is "limited evidence" supporting or refuting (反驳) the argument that breakfast influences weight or food intake, and more evidence is required
2019年12月四级真题（第三套）阅读 section B
Also, if we both sign up before Friday, we can get a discount on a six-month membership.
2018年6月四级真题（第一套）听力 Section B
America's Internet is faster than ever before, but people still complain about their Internet being too slow.
2017年6月四级真题（第二套）阅读 Section A
Before Allred knew it, New Mexico State police officers were among the many stopping by,helping them reach a total of $568.
2017年12月四级真题（第二套）听力 Section A
But I should be in tomorrow morning before I go out for lunch.
2019年6月四级真题（第二套）听力 Section B
But just before he reached the car door, he suddenly stopped, crouching (蹲伏) down to peer at something on the sidewalk.
2015年12月四级真题（第一套）阅读 Section B
Dozens of children at a Utah elementary school had their lunch trays snatched away from them before they could take a bite this week.
2015年12月四级真题（第二套）听力 Section A
Forgetting how to operate a familiar object like a microwave oven, or forgetting how to drive to the house of a friend you've visited many times before can also be signs of something going wrong.
2018年6月四级真题（第二套）阅读 Section C
Goel and his team developed several versions of Jill Watson before releasing her to the online forums.
2019年12月四级真题（第二套）阅读 Section C
I was hesitant because I knew so little about it and have never tried it before.
2018年12月四级真题（第三套）阅读 Section A
Instead of giving people practice, the gradual reduction likely gave them cravings 瘾 and withdrawal symptoms before they even reached quit day, which could be why fewer people in that group actually made it to that point.
2017年6月四级真题（第三套）阅读 Section C
I've got a little put aside for a rainy day, but I might need to earn a little more before we go.
2017年12月四级真题（第一套）听力 Section B
I've never earned so much money before.
2019年12月四级真题（第二套）听力 Section B
Juices are quick and easy to prepare, you can take the frozen fruit out the night before and have it ready the next morning.
2018年12月四级真题（第一套）阅读 Section B
Komada likes to teach his students that they should think about their move before they do it.
2019年6月四级真题（第一套）听力 Section C
Long before television cooking shows, Careme walked readers through common kitchen tasks, instructing them to "try this for yourself, at home" as famous American Chef Julia Child might do, many years later.
2018年12月四级真题（第二套）阅读 Section B
People in both groups used nicotine patches before they quit, in addition to a second form of nicotine replacement,like gum or spray.
2017年6月四级真题（第三套）阅读 Section C
Please keep in mind, this will be a new TV show, like nothing ever done before.
2019年12月四级真题（第一套）听力 Section B
So some animals, such as mice, collect extra food before winter, and hide it.
2017年6月四级真题（第二套）听力 Section C
The airlander will need to have 200 hours' flying time before being allowed to fly by the aviation administration.
2018年6月四级真题（第二套）听力 Section A
The day before I spoke to Martinez in November, he had beer touring the damage from Hurricane Michael in Florida with the American Red Cross.
2019年12月四级真题（第二套）阅读 Section B
The moon is also home to lunar orbiters that mapped the moon before they crashed into its surface, adding to the garbage heap.
2018年12月四级真题（第二套）听力 Section C
The Olympic got wrecked before the titanic did, but it was the only one to survive and maintain a successful career of 24 years.
2018年6月四级真题（第一套）阅读 Section C
The shorthand educators use for this is "pre-K"—meaning instruction before kindergarten—and the big idea is to prepare 4-year-olds and even younger kids to be ready to succeed on their K-12 journey.
2016年6月四级真题（第一套）阅读 Section C
They hope to return to the site with geologists for an additional search as there could before fossils near the site.
2019年12月四级真题（第二套）听力 Section C
This turn of events is fueled primarily by the dramatic drop in the share of young Americans who are choosing to settle down romantically before age 35.
2019年6月四级真题（第二套）阅读 Section B
This turn of events is fueled primarily by the dramatic drop in the share of young Americans who are choosing to settle down romantically before age.
2019年6月四级真题（第二套）阅读 Section B
To prepare for this before winter, these animals eat extra food to become fat, which gives them the energy they need while they sleep.
2017年6月四级真题（第二套）听力 Section C
We wanted to give people an opportunity to actually see the calories before they purchase the food and make a decision, an informed decision that if they want to make a healthier choice, if they want to eat fewer calories, they can.
2016年6月四级真题（第一套）听力 Section A
While 53% believe men will continue to hold more top executive positions in business in die future, 44% say it's only a matter of time before as many women are in top executive positions as men.
2019年6月四级真题（第二套）阅读 Section C
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