单词：signals
v. 发信号, 用信号传达, 用信号通讯( signal的第三人称单数 ); 发暗号; 示意
n any incitement to action
n an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
v communicate silently and non-verbally by signals or signs
v be a signal for or a symptom of
signal的用法和样例：
例句
- 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。
常见句型
- Signals are made with flags or lamps.用旗或灯传递信号。
- 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。
- She is signaling.她正在发送信号。
- The submarine signaled for help.潜水艇发出求救的信号。
- She signaled the advance.她发出信号前进。
- A bell signals the end of a school period.铃声标志着学校里一节课的结束。
- 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。
- They signaled which way one is going to turn?他们打信号示意走哪一条路。
- He signaled a message to his brother.他用信号向他哥哥发信息。
- He signaled the waiter to bring the menu.他做手势要侍者拿菜单来。
- The conductor signaled the orchestra to rise.指挥打手势让乐队起立。
- 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。
- Tom signaled his friend which way to go.汤姆示意他的朋友走哪条路。
词汇搭配
- 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
经典引文
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. Malamud
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