signal的读音是什么

1. 信号，暗号，讯号
2. 导火线
3. 信号器
4. 动机
5. 标志
6. 预兆，征象，预示
7. 号令，指示，通知
8. 《信号报》
9. （交通）指示灯
10. 【铁】信号机
11. 导因，近因
12. 表示

1. 预示
2. （作）标志
3. 示意，表示，表明
4. 发信号给，用信号通知，用信号传达，用信号通讯
5. 用动作示意，比画，（朝…）做手势
6. 打信号，发出信号
7. 汇报
8. 意味
9. 用信号
10. 发暗号
11. 显示

1. 显著的，明显的，显要的
2. 暗号的
3. 作信号用的，信号的
4. 非常的，非凡的
5. 优越的，杰出的
6. 大大的，重大的

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

1. notably out of the ordinary;

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

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"
   

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. Signals are made with flags or lamps.
   用旗或灯传递信号。
2. 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。

1. She is signaling.
   她正在发送信号。
2. The submarine signaled for help.
   潜水艇发出求救的信号。

1. She signaled the advance.
   她发出信号前进。
2. A bell signals the end of a school period.
   铃声标志着学校里一节课的结束。

1. She signaled that he was about to turn left.
   她打信号灯表示他就要转到左面去了。

1. They signaled which way one is going to turn?
   他们打信号示意走哪一条路。

1. He signaled a message to his brother.
   他用信号向他哥哥发信息。

1. He signaled the waiter to bring the menu.
   他做手势要侍者拿菜单来。
2. The conductor signaled the orchestra to rise.
   指挥打手势让乐队起立。
3. Jim signaled his helplessness to Mary to leave the party.
   吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何。

1. Tom signaled his friend which way to go.
   汤姆示意他的朋友走哪条路。

• Her sobs..became more subdued..a signal to Dan that she would soon relent.

  出自：E. Caldwell

• Sterling M3..had given misleading signals.

  出自：Times

• Signal villains of every class.

  出自：John Foster

• To have done this at all would be a signal achievement.

  出自：K. Tynan

• Seeing him enter the room..she signalled him to approach.

  出自：P. G. Wodehouse

• Threw open the door and signalled the escort captain.

  出自：B. Malamud

1. signal用作及物动词时,可接名词、代词或that/wh从句作宾语。signal还可接双宾语,常以带或不带疑问词的动词不定式作直接宾语,其间接宾语可以由介词to引出, to可以省略。不用于被动结构。