a danger/warning/distress etc. signal
危险、警告、求救等信号
牛津词典
At an agreed signal they left the room.
收到约定的信号后,他们离开了房间。
牛津词典
The siren was a signal for everyone to leave the building.
警报器一响,就是要所有人离开大楼。
牛津词典
When I give the signal , run!
我一发信号,你就跑!
牛津词典
(North Amercian English)All I get is a busy signal when I dial his number (= his phone is being used) .
我什么时候拨他的电话听到的都是忙音。
牛津词典
hand signals (= movements that cyclists and drivers make with their hands to tell other people that they are going to stop, turn, etc.)
骑车人和驾车人的示意手势
牛津词典
The rise in inflation is a clear signal that the government's policies are not working.
通货膨胀率的上升清楚地表明,政府的政策不起作用。
牛津词典
Chest pains can be a warning signal of heart problems.
胸部疼痛可能是心脏病的报警信号。
牛津词典
Reducing prison sentences would send the wrong signals to criminals.
减刑会向犯罪分子发出错误的信号。
牛津词典
traffic signals
交通信号灯
牛津词典
a stop signal
停车信号
牛津词典
TV signals
电视信号
牛津词典
a high frequency signal
高频信号
牛津词典
a radar signal
雷达信号
牛津词典
to detect/pick up signals
探测 / 收到信号
牛津词典
to emit a signal
发射信号
牛津词典
Don't fire until I signal.
等我发出信号后再开枪。
牛津词典
Did you signal before you turned right?
右转弯前你示意了吗?
牛津词典
He signalled to the waiter for the bill.
他示意服务员结账。
牛津词典
They fired three distress signals...
他们发射了3次求救信号。
As soon as it was dark, Mrs Evans gave the signal...
天一黑,埃文斯夫人就发出了信号。
The United manager was to be seen frantically signalling to McClair...
一会儿可以看到曼联主教练拼命地朝麦克莱尔示意。
He stood up, signalling to the officer that he had finished with his client...
他站起身,向警察示意他和他的当事人已经谈完了。
Kurdish leaders saw the visit as an important signal of support...
库尔德领导人将这次访问视作一种表示支持的重要信号。
The first warning signals came in March...
第一次警示出现在3月份。
She will be signalling massive changes in energy policy...
她将暗示能源政策会有重大变化。
Britain was signalling its readiness to have the embargo lifted...
英国表示愿意取消贸易禁令。
...high-frequency radio signals.
高频无线电信号
His final round was a signal triumph in a career marked by many sweet moments.
最后一场比赛的胜利在他充满欣喜的职业生涯中具有非凡的意义。
...John Major's signal failure to grab America's attention.
约翰·梅杰显然没有能够引起美国的注意
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 BTheir behaviors do not constitute a warning signal.
出自-2016年12月阅读原文Scholars warn that Antarctica's political drift could blur the distinction between military and civilian activities long before the continent's treaties come up for renegotiation, especially in parts of Antarctica that are ideal for intercepting signals from satellites or retasking satellite systems, potentially enhancing global electronic intelligence operations.
出自-2016年12月阅读原文It provides new early-warning signals for identifying teens in trouble.
出自-2016年12月阅读原文LOL signals basic empathy)'(同感)between texters.
出自-2014年6月阅读原文The Home Depot approach to craftsmanship - simplify it, dumb it down, hire a contractor - is one signal that mastering tools and working with one's hands is receding in America as a hobby, as a valued skill, as a cultural influence that shaped thinking and behavior in vast sections of the country.
出自-2013年6月阅读原文They signal future economic trends
出自-2013年6月阅读原文Over the past two years, the figures on imports and exports seem not to signal a double-dip recession – a renewed decline in the broad level of economic activity in the United States – but an economic expansion.
出自-2011年12月阅读原文It signals decreasing domestic demand for goods and services.
出自-2011年12月阅读原文To test how responsive dolphins are to various signals.
出自-2012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Beyond revealing population-wide patterns, the right combination of data and analysis can also help individuals identify unique characteristics of their own behavior, including conditions that could indicate the need for some form of intervention-such as
2018年12月六级真题(第一套)阅读 Section CAt Pullman's signal, each man turned his Jackscrew the same amount at the same time, thereby raising the building slowly and evenly.
2015年高考英语湖南卷 阅读理解 阅读B 原文Body language can give away a lot about your mood, so standing with your arms folded can send out a signal that you are being defensive.
2015年高考英语浙江卷 单项填空 原文He rushed into the station building and came back with a signal light.
2016年高考英语浙江卷(10月) 阅读理解 阅读A 原文In order not to be heard, she pointed her finger upwards to signal that someone was moving about upstairs.
2015年高考英语湖北卷 单项选择 原文Pheromones can signal that an animal is either ready to fight or is feeling open to partnerships.
2015年高考英语上海卷 完形填空 原文Rani's friendliness―her warm smile, her nods, her "I'm here for you" attitude―were all silent signals that didn't travel through wires.
2016年高考英语全国卷2 完形填空 原文The purchase price could also be a signal that an established company is buying a new-born threat.
2017年高考英语江苏卷 阅读理解 阅读C 原文This observation hints that effective embryonic learning could signal neurological strengths of children to parents.
2017年高考英语江苏卷 阅读理解 阅读B 原文Unable to tell whether someone really objects to behavioural ads or whether they are sticking with Microsoft’s default, some may ignore a DNT signal and press on anyway.
出自-2013年考研阅读原文Getting a DNT signal does not oblige anyone to stop tracking, although some companies have promised to do so.
出自-2013年考研阅读原文It tells the fashion industry that it must take responsibility for the signal it sends women, especially teenage girls, about the social tape-measure they must use to determine their individual worth.
出自-2016年考研阅读原文Everyone around us seems to agree by the way they cling to their phones, even without a signal on a subway.
2015年考研真题(英语二)完形填空 Section ⅠEye contact can be a friendly social signal.
2020年考研真题(英语一)阅读理解 Section Ⅱfirst, consumers may take CSR spending as a "signal" that a company's products are of high quality.
2016年考研真题(英语一)阅读理解 Section ⅡIt can catch someone's attention in a crowded room, "eye contact and smile" can signal availability and confidence, a common-sense notion supported in studies by psychologist Monica Moore.
2020年考研真题(英语一)阅读理解 Section ⅡUnable to tell whether someone really objects to behavioural ads or whether they are sticking with microsoft's default, some may ignore a DNT signal and press on anyway.
2013年考研真题(英语一)阅读理解 Section Ⅱwith the use of eye-tracking technology, Julia minson of the Harvard Kennedy School of Government concluded that eye contact can signal very different kinds of messages, depending on the situation While eye contact may be a sign of connection or trust in
2020年考研真题(英语一)阅读理解 Section Ⅱ"signals from the boat suddenly stopped"
"he awaited the signal to start"
"the victory was a signal for wild celebration"
"He signed his disapproval with a dismissive hand gesture"
"The diner signaled the waiters to bring the menu"
"These symptoms indicate a serious illness"
"Her behavior points to a severe neurosis"
"The economic indicators signal that the euro is undervalued"
"the year saw one signal triumph for the Labour party"
这些名词均含"标志,象征,符号"之意。
seamarkflagwarninglightrocketmarkerfoghornalarmpilotnoticetootlandmarksignmilestonehorncautionbellguidepostflarewhistlemilepostbeaconsirenalertindicatorsemaphoremonitor
expressasemaphorego-aheadthumbs-upsendcommunicatetheoffwarnindicatealerttransmitflagwigwagspeakshootgiveflaseconvey
directionalmarkingpilotguidingsemaphoricwarningindicativesematicadmonitoryleadsemaphorical
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