导读:signal [snl]n. 信号,暗号;标志,迹象;手势,姿态v. 发信号;示意用法:1. signal作为名词时,指的是一种传递信息的方式,可以是...
signal [snl]
n. 信号,暗号;标志,迹象;手势,姿态v. 发信号;示意

1. signal作为名词时,指的是一种传递信息的方式,可以是声音、光、电等形式。作为动词时,则指发出信号或示意。
例句:1. The traffic light turned green, signaling the cars to start moving.(交通灯变绿色,发出信号让车辆开始行驶。)
2. He used hand signals to communicate with his teammates during the game.(比赛中他用手势与队友交流。)
3. The flashing lights on the tower signaled a warning to ships in the area.(塔上闪烁的灯光向该地区的船只发出告信号。)
4. The referee blew his whistle, signaling the end of the match.(裁判吹响哨子,标志着比赛结束。)
5. She raised her hand, signaling for a taxi to s.(她举起手示意出租车停下来。)
同义词及用法:1. sign:指一种可见的标志或符号,可以用来传达信息或引起注意。
例句:The sign on the door said "Closed".(门上的牌子写着“关门”。)
2. symbol:指一种象征性的标记或符号,常常具有特定的意义。
例句:The dove is a symbol of peace.(鸽子是和平的象征。)
3. gesture:指一种手势或动作,用来表达感情或传递信息。
例句:He made a rude gesture at the driver who cut him off.(他朝挡在前面的司机做了一个粗鲁的手势。)
4. indication:指一种迹象或暗示,可以用来说明某种情况或发出告。
例句:There are indications that the economy is improving.(有迹象表明经济正在好转。)
5. cue:指一种提示或暗示,常用于表演或比赛中。
例句:The director gave her a cue to start her lines.(导演给了她一个提示开始说台词。)
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