动词
中文翻译:信号
同义词:
['notify', 'signal', 'send', 'give a signal']
例句:
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1. The policeman signaled for thedriver to stop.
警察示意司机停车。
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2. Thetraffic light is signaling that it'stime to turn left.
交通灯正在示意左转。
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3. The pilot signaled the plane toland at the airport.
飞行员向飞机发出降落机场的信号。