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单词拼写：
signal
音标发音：
[ˈsɪɡnəl][ˈsɪɡnəl]
词性词义：
n.信号；暗号；导火线
速记技巧：
词根词缀法
拆：
sign记号+al的=signal显著的
记：
词根联想上面带有特殊记号的东西，看起来是显著的。
英英释义：
Noun:
1.any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"2.any incitement to action; "he awaited the signal to start" "the victory was a signal for wild celebration"3.an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
短语词组：
catch the signal见到那信号
give〔ignore〕 a signal给〔忽视〕信号
produce signals产生信号
put up〔send〕 a signal发信号
receive signals接收信号
repeat〔respond to〕 a signal重复〔回答〕信号
show a signal显示信号
audible〔clear〕 signal听得见〔清楚〕的信号
auditory〔calling, visual〕 signal声音〔呼叫,视觉〕信号
unmistakable〔weak〕 signal明确无误〔微弱〕的信号
alarm〔caution, danger〕 signal警报〔警戒,危险〕信号
color light signals彩色灯信号
fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号
home〔railroad〕 signal进站〔铁路〕信号
input〔output〕 signals输入〔输出〕信号
picture signals图像信号
radar signal雷达脉冲
traffic signal〈美〉交通信号
signal generator〔lamp, pistol〕信号发生器〔灯,枪〕
at a signal在信号发出时
begin at a signal在信号发出时开始
ask by signal用信号发问
on a signal在信号发出时
signal by sounding a bell以铃声为信号
signal for a retreat撤退信号
signal from发自…的信号
signal in code编码信号
signal of danger危险的信号
signal to发往…的信号
signal position示意位置
signal wildly乱发信号
signal out a distress signal发出遇难信号
signal for为(某事)而发信号
signal for help发信号求救
signal with flags用旗子当信号
记忆技巧：
sign 标记 + -al ...的
双语例句：
1.Come on, do not signal, to see a really is not ah, may be the house signal is not good, it must have, wish, busy to run at the door.
不会吧，难道没有信号，一看果然是没啊，可能是屋子里信号不好，外面一定有，心想着，忙下榻就往门口跑。
2.Stepping out of the Signal Hill Park, you could take a stroll on the seashore sidewalk along the coast.
走出信号山公园，你可以去滨海步行道看看。
3.They made it a signal between them to knock at the door three times.
翻译他们以敲三下门作为他们的暗号。
4.This meter displays how much the signal is being attenuated by the compressor and the gate.
当压缩或噪声器的信号衰减多少，该表就会显示多少。
5.It's a signal as well that the U. S. economy may be starting to slacken after one of its most vigorous years in a decade.
这也显示，美国经济在经历10年来相当繁荣的一年之后，可能正开始衰退。
6.So, it pays to research the customs of any country you might be visiting before you use the "thumbs up" or any other type of hand signal.
因此，在你去一个国家之前，先调查一下它“竖起大拇指”的传统用法以及其它的一些手势是值得的。
7.However, the White House said any timetable would send the wrong signal to the enemies of the United States whether waivable or not.
然而，白宫表示，无论是否按照，任何时间表都会向美国的敌人传递错误的信号。
8.The law did not yield many inventions, but it did send a crucial signal that government would be friendly to private start-ups.
该法律并没有导致很多发明，但它发出了一个重要信号，即政府将采取对私营新建企业有利的政策。
9.the strength of financial markets tends to be seen as a signal that the economy is soundly based.
强健的金融市场倾向于被认为是经济良性发展的信号。
10.NASA is also employing one of its two ground rovers, the Opportunity, to try to listen for a weak signal from the silent satellite.
NASA同样也命令其中一个陆地巡航者，机遇号，来努力寻找来自这颗寂静卫星的微弱信号。
全部四级六级高考考研例句：
Great leaders recognize the weak signals or slight signs that point to big changes to come.
出自-2017年6月阅读原文
Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.
出自-2016年12月阅读原文
That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.
出自-2016年12月阅读原文
If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
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
So when a French submarine (潜水艇) detected the device's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
出自-2010年6月阅读原文
When submerged, they're also able to emit signals from depths of 20,000 ft.
出自-2010年6月阅读原文
Homing signals sent by the pilot before the crash
出自-2010年6月阅读原文
They have stopped sending homing signals.
出自-2010年6月阅读原文
For example, a Colombian who wants someone to approach him often signals with a hand movement in which all the fingers of one hand, cupped, point downward as they move rapidly back and forth.
出自-2014年6月听力原文
Were they tuned off because an American had the nerve to instruct Japanese in their own art form or they deliberately tried to signal their rejection of her?
出自-2011年12月听力原文
Learning how different cultures signal respect can help you avoid misunderstandings
出自-2011年12月听力原文
with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
2016年12月四级真题（第一套）阅读 section B
本文参考文献：
1 http://www.mcb5.cn/time
2 http://www.mcb5.cn/their
3 http://www.mcb5.cn/will
4 http://www.mcb5.cn/If
5 http://www.mcb5.cn/more
6 http://www.mcb5.cn/get
7 http://www.mcb5.cn/up
8 http://www.mcb5.cn/me
9 http://www.mcb5.cn/year
10 http://www.mcb5.cn/There
11 http://www.mcb5.cn/all
12 http://www.mcb5.cn/work
13 http://www.mcb5.cn/how
14 http://www.mcb5.cn/which
15 http://www.mcb5.cn/other
16 http://www.mcb5.cn/out
17 http://www.mcb5.cn/day
18 http://www.mcb5.cn/who
19 http://www.mcb5.cn/take
20 http://www.mcb5.cn/would
核心重点高频常考单词-signal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：
signal
音标发音：
[ˈsɪɡnəl][ˈsɪɡnəl]
词性词义：
n.信号；暗号；导火线
速记技巧：
词根词缀法
拆：
sign记号+al的=signal显著的
记：
词根联想上面带有特殊记号的东西，看起来是显著的。
英英释义：
Noun:
1.any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"2.any incitement to action; "he awaited the signal to start" "the victory was a signal for wild celebration"3.an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
短语词组：
catch the signal见到那信号
give〔ignore〕 a signal给〔忽视〕信号
produce signals产生信号
put up〔send〕 a signal发信号
receive signals接收信号
repeat〔respond to〕 a signal重复〔回答〕信号
show a signal显示信号
audible〔clear〕 signal听得见〔清楚〕的信号
auditory〔calling, visual〕 signal声音〔呼叫,视觉〕信号
unmistakable〔weak〕 signal明确无误〔微弱〕的信号
alarm〔caution, danger〕 signal警报〔警戒,危险〕信号
color light signals彩色灯信号
fire〔fog, storm〕 signal火灾〔起雾,暴风雨〕信号
home〔railroad〕 signal进站〔铁路〕信号
input〔output〕 signals输入〔输出〕信号
picture signals图像信号
radar signal雷达脉冲
traffic signal〈美〉交通信号
signal generator〔lamp, pistol〕信号发生器〔灯,枪〕
at a signal在信号发出时
begin at a signal在信号发出时开始
ask by signal用信号发问
on a signal在信号发出时
signal by sounding a bell以铃声为信号
signal for a retreat撤退信号
signal from发自…的信号
signal in code编码信号
signal of danger危险的信号
signal to发往…的信号
signal position示意位置
signal wildly乱发信号
signal out a distress signal发出遇难信号
signal for为(某事)而发信号
signal for help发信号求救
signal with flags用旗子当信号
记忆技巧：
sign 标记 + -al ...的
双语例句：
1.Come on, do not signal, to see a really is not ah, may be the house signal is not good, it must have, wish, busy to run at the door.
不会吧，难道没有信号，一看果然是没啊，可能是屋子里信号不好，外面一定有，心想着，忙下榻就往门口跑。
2.Stepping out of the Signal Hill Park, you could take a stroll on the seashore sidewalk along the coast.
走出信号山公园，你可以去滨海步行道看看。
3.They made it a signal between them to knock at the door three times.
翻译他们以敲三下门作为他们的暗号。
4.This meter displays how much the signal is being attenuated by the compressor and the gate.
当压缩或噪声器的信号衰减多少，该表就会显示多少。
5.It's a signal as well that the U. S. economy may be starting to slacken after one of its most vigorous years in a decade.
这也显示，美国经济在经历10年来相当繁荣的一年之后，可能正开始衰退。
6.So, it pays to research the customs of any country you might be visiting before you use the "thumbs up" or any other type of hand signal.
因此，在你去一个国家之前，先调查一下它“竖起大拇指”的传统用法以及其它的一些手势是值得的。
7.However, the White House said any timetable would send the wrong signal to the enemies of the United States whether waivable or not.
然而，白宫表示，无论是否按照，任何时间表都会向美国的敌人传递错误的信号。
8.The law did not yield many inventions, but it did send a crucial signal that government would be friendly to private start-ups.
该法律并没有导致很多发明，但它发出了一个重要信号，即政府将采取对私营新建企业有利的政策。
9.the strength of financial markets tends to be seen as a signal that the economy is soundly based.
强健的金融市场倾向于被认为是经济良性发展的信号。
10.NASA is also employing one of its two ground rovers, the Opportunity, to try to listen for a weak signal from the silent satellite.
NASA同样也命令其中一个陆地巡航者，机遇号，来努力寻找来自这颗寂静卫星的微弱信号。
全部四级六级高考考研例句：
Great leaders recognize the weak signals or slight signs that point to big changes to come.
出自-2017年6月阅读原文
Wireless devices will transmit signals so as to activate the alarm once something wrong is detected.
出自-2016年12月阅读原文
That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.
出自-2016年12月阅读原文
If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
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
So when a French submarine (潜水艇) detected the device's homing signal five days later, the discovery marked a huge step toward determining the cause of a tragedy in which 152 passengers were killed.
出自-2010年6月阅读原文
When submerged, they're also able to emit signals from depths of 20,000 ft.
出自-2010年6月阅读原文
Homing signals sent by the pilot before the crash
出自-2010年6月阅读原文
They have stopped sending homing signals.
出自-2010年6月阅读原文
For example, a Colombian who wants someone to approach him often signals with a hand movement in which all the fingers of one hand, cupped, point downward as they move rapidly back and forth.
出自-2014年6月听力原文
Were they tuned off because an American had the nerve to instruct Japanese in their own art form or they deliberately tried to signal their rejection of her?
出自-2011年12月听力原文
Learning how different cultures signal respect can help you avoid misunderstandings
出自-2011年12月听力原文
with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
2016年12月四级真题（第一套）阅读 section B
本文参考文献：
1 http://www.mcb5.cn/time
2 http://www.mcb5.cn/their
3 http://www.mcb5.cn/will
4 http://www.mcb5.cn/If
5 http://www.mcb5.cn/more
6 http://www.mcb5.cn/get
7 http://www.mcb5.cn/up
8 http://www.mcb5.cn/me
9 http://www.mcb5.cn/year
10 http://www.mcb5.cn/There
11 http://www.mcb5.cn/all
12 http://www.mcb5.cn/work
13 http://www.mcb5.cn/how
14 http://www.mcb5.cn/which
15 http://www.mcb5.cn/other
16 http://www.mcb5.cn/out
17 http://www.mcb5.cn/day
18 http://www.mcb5.cn/who
19 http://www.mcb5.cn/take
20 http://www.mcb5.cn/would
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