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signal
[英] [ˈsiɡnəl] [美] [ˈsɪɡnəl] 生词本

n.

vt.

vi.

adj.

  • 柯林斯高阶英汉双解学习词典

  • 英英释义

  • 行业释义

  • 词典例句

in AM, use 美国英语用 signaling, signaled
1. N-COUNT (以手势、声音、行动等发出的)信号，暗号 A signal is a gesture, sound, or action which is intended to give a particular message to the person who sees or hears it. 

  • 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。

  • You mustn't fire without my signal.

    没我的信号不许开枪。

2. VERB (用手势、声音等)发信号，发暗号，示意 If you signal to someone, you make a gesture or sound in order to send them a particular message. 

  • 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。

  • She signalled a passing taxi and ordered him to take her to the rue Marengo.

    她招手打了一辆路过的出租车，让司机载她去马伦戈街。

3. N-COUNT 迹象;信号;预示 If an event or action is a signal of something, it suggests that this thing exists or is going to happen. 

  • 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。

  • The Red Cross said it is withdrawing its staff until they receive clear signals from all sides that their presence is welcomed.

    红十字会称他们正在撤回所属职员，直到各方都明确表示欢迎他们的存在。

4. VERB 预示;表明;显示 If someone or something signals an event, they suggest that the event is happening or likely to happen. 

  • 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。

  • The outcome of that meeting could signal whether there truly exists a political will to begin negotiating.

    那次会议的结果会表明是否真正存在想要开始谈判的政治意愿。

5. N-COUNT (铁路上的)指示灯，信号灯 A signal is a piece of equipment beside a railway, which indicates to train drivers whether they should stop the train or not. 
6. N-COUNT (传输信息的无线电、光波或电流)信号 A signal is a series of radio waves, light waves, or changes in electrical current which may carry information. 

  • ...high-frequency radio signals.

    高频无线电信号

7. ADJ 重大的;显要的;非凡的 You use signal to describe a success or failure when you are emphasizing the fact that it has occurred and are indicating that the consequences are significant. 

  • 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

signally

  • ...a demoralised party which its leader signally failed to reassure.

    该政党士气低落，而其领袖丝毫未能安定人心

Noun

1. any communication 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

Verb

1. communicate silently and non-verbally by signals or signs;

  • "He signed his disapproval with a dismissive hand gesture"
  • "The diner signaled the waiters to bring the menu"

2. be a signal for or a symptom of;

  • "These symptoms indicate a serious illness"
  • "Her behavior points to a severe neurosis"
  • "The economic indicators signal that the euro is undervalued"
Adjective

1. notably out of the ordinary;

  • "the year saw one signal triumph for the Labour party"

体育

  • 1.手势信号

动物学

<名>
  • 1.信号

物理学

<名>
  • 1.信噪比
  • 2.signal-to-noise ratio

生态学

<名>
  • 1.信号
  • 2.动物用于交流信息的形态特征、行为方式、化学物质以及声音等。

电力

<名>
  • 1.信号

电子学

<名>
  • 1.信号

电工

<名>
  • 1.信号

计算机

  • 1.【动】发(射)信号[SGL，SIG]
<名>
  • 1.信号

通信

<名>
  • 1.信号
  • 2.可以使它的一个或多个特征量发生变化，用以代表信息的物理量。

铁道

<名>
  • 1.信号机
1. A red light is usually a signal of danger.
红灯通常是危险的信号。

来自《现代英汉综合大词典》

2. A train must not pass a signal that is at danger.
火车切不可越过危险信号。

来自《现代汉英综合大词典》

3. Experts regarded it as a warning signal of an economic smashup.
专家们把它看作是一场经济灾难的警告信号。

来自《简明英汉词典》

4. He telephoned the lawyer and again got a busy signal.
他打电话给律师，但还是听到占线的信号。

来自《简明英汉词典》

5. Her plea was that she did not see the signal.
她的辩解是说她没看见信号。

来自《现代英汉综合大词典》

6. I lay awake through the wee small hours,waiting for the signal.
我躺到后半夜没睡，等候信号。

来自《简明英汉词典》

7. Our fax machine differentiates between an incoming fax signal and a voice call.
我们的传真机能区分接收传真信号和语音信号。

来自《简明英汉词典》

8. 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。

来自《简明英汉词典》

9. Send out a distress signal; the ship is sinking.
发出求救信号吧，船正在下沉。

来自《简明英汉词典》

10. The carrier wave has got out of phase with the signal wave.
载波同信号波是异相的。

来自《简明英汉词典》

11. The emergency signal SOS has no literal meaning.
呼救信号SOS在字面上没有任何意义。

来自《简明英汉词典》

12. The plan to murder the president went off at half cock because the signal was given before it should have been.
暗杀总统的计划操之过急，因为还没有到时候就发出了信号。

来自《简明英汉词典》

13. They suffered from nervous tension when the signal was shown on a radarscope.
当雷达显示器上出现信号时他们感到紧张。

来自《简明英汉词典》

14. They went into action at a given signal.
在约定的信号发出时，他们投入了战斗。

来自《现代英汉综合大词典》

15. This is a signal failure.
这是明显的失败。

来自《简明英汉词典》

16. This is a signal of the urgent urgency from Field Army Headquarters.
这是野战军首长拍来的十万火急的电报。

来自《现代汉英综合大词典》

17. This train stops to let off passengers on signal.
这列火车按信号停车让旅客下车。

来自《简明英汉词典》

18. 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。

来自《简明英汉词典》

19. What he said was the signal for the argument.
他的那番话引起了这场争论。

来自《现代英汉综合大词典》