Rani's friendliness —her warm smile, her nods, her'I'm here for you' attitude—were all silentsignals that didn't travel through wires. "
拉尼的友善——她温暖的微笑, 她的点头, 她'我在这里等你'的态度——都是无声的信号, 不可能通过电线传递。
2016全国卷2
signal
英['sɪɡnəl] 美['sɪɡnəl]
"signals from the boat suddenly stopped"
"he awaited the signal to start"
"the victory was a signal for wild celebration"
"the year saw one signal triumph for the Labour party"
"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"
1.(以手势、声音、行动等发出的)信号，暗号
Asignal is a gesture, sound, or action which is intended to give a particular message to the person who sees or hears it.
e.g. They fired three distress signals...
他们发射了3次求救信号。
e.g. As soon as it was dark, Mrs Evans gave thesignal...
天一黑，埃文斯夫人就发出了信号。
2.(用手势、声音等)发信号，发暗号，示意
If yousignal to someone, you make a gesture or sound in order to send them a particular message.
e.g. 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。
e.g. 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。
3.迹象;信号;预示
If an event or action is asignal of something, it suggests that this thing exists or is going to happen.
e.g. Kurdish leaders saw the visit as an importantsignal 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。
e.g. The first warning signals came in March...
第一次警示出现在3月份。
4.预示;表明;显示
If someone or somethingsignals an event, they suggest that the event is happening or likely to happen.
e.g. She will be signalling massive changes in energy policy...
她将暗示能源政策会有重大变化。
e.g. Britain was signalling its readiness to have the embargo lifted...
英国表示愿意取消贸易禁令。
5.(铁路上的)指示灯，信号灯
Asignal is a piece of equipment beside a railway, which indicates to train drivers whether they should stop the train or not.
6.(传输信息的无线电、光波或电流)信号
Asignal is a series of radio waves, light waves, or changes in electrical current which may carry information.
e.g. ...high-frequency radio signals.
高频无线电信号
7.重大的;显要的;非凡的
You usesignal to describe a success or failure when you are emphasizing the fact that it has occurred and are indicating that the consequences are significant.
e.g. His final round was asignal 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。
e.g. ...John Major'ssignal failure to grab America's attention.
约翰·梅杰显然没有能够引起美国的注意
1. signal
1. 符号：传播的来源与日地分别是独特的个体,各有其经验范围:双方经验中交集的部分,即为讯息(message)基本来源的符号(signal). 传播双方则各自是编码、释码,与解码的系统;双方透过回馈控制过程,讯息得以了解及传布. 自施兰姆引进新的传播理论之后,
2.signal：sgl; 信号
3.
3.signal：sig; 声音信号
A red lamp is often a danger signal.
红灯常常是危险的信号。
I corrected my watch by the time signal.
我按报时信号校正我的表。
I've called several times, but I keep getting a busy signal.
我打了好几次了,可是一直是忙音。
We live too far from the city to get a strong television signal.
我们住的地方离城里太远, 不能收到清晰的电视图像。
Her speech yesterday is a signal that her view has changed.
她昨天的讲话标志著她的观点已经转变。
The police signalled the traffic to move forward slowly.
警察向来往车辆打信号，示意缓慢前行。
The submarine signaled for help.
潜水艇发出求救的信号。
People speak of Mark Twain as a signal humourous writer.
人们称马克·吐温为杰出的幽默作家。
This is a signal success.
这是显著的成功。
a danger'/warning'/distress etc. signal
危险、警告、求救等信号
At an agreed signal they left the room.
收到约定的信号后，他们离开了房间。
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。
When I give the signal , run!
我一发信号，你就跑！
(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。
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
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。
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。
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。
traffic signals
交通信号灯
a stop signal
停车信号
TV signals
电视信号
a high frequency signal
高频信号
a radar signal
雷达信号
to detect'/pick up signals
探测 / 收到信号
to emit a signal
发射信号
Don't fire until I signal.
等我发出信号后再开枪。
Did you signal before you turned right?
右转弯前你示意了吗？
He signalled to the waiter for the bill.
他示意服务员结账。
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
Her sobs..became more subdued..a signal to Dan that she would soon relent.
出自：E. CaldwellSterling M3..had given misleading signals.
出自：Timessignal villains of every class.
出自：John FosterTo have done this at all would be a signal achievement.
出自：K. TynanSeeing him enter the room..she signalled him to approach.
出自：P. G. WodehouseThrew open the door and signalled the escort captain.
出自：B. MalamudRani's friendliness —her warm smile, her nods, her'I'm here for you' attitude—were all silentsignals that didn't travel through wires. "
拉尼的友善——她温暖的微笑, 她的点头, 她'我在这里等你'的态度——都是无声的信号, 不可能通过电线传递。
2016全国卷2
Similarly, children tend to treat robots as if they are fellow beings, even when they display only simple socialsignals.
同样，孩子们也倾向于把机器人当成同类，即使它们只是表现出简单的社交信号。
2020英语二
Eye contact can be a friendly socialsignal.
眼神交流可以是友好的社交信号。
2020英语一
First, consumers may take CSR spending as a "signal" that a company's products are of high quality.
首先，消费者可能将企业社会责任支出视为公司产品高质量的“信号”。
2016英语一
