名词
中文翻译:Unknown
同义词:
['sign', 'indicator', 'beacon', "signal light例句:1. The police officer used his flashlight to signal the driver to slow down.(警察用他的手电筒向司机示意减速。)2. The ship's horn was a loud signal for all on board to gather.(船的号角是所有船上人员集合的信号。)3. The pilot used a flare to signal the approach of an airplane.(飞行员用信号弹来指示飞机接近。)"]
例句:
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1. The police officer used his flashlight to signal the driver to slow down.
警察用他的手电筒向司机示意减速。
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2. The ship's horn was a loud signal for all on board to gather.
船的号角是所有船上人员集合的信号。
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3. The pilot used a flare to signal the approach of an airplane.
飞行员用信号弹来指示飞机接近。