名词
中文翻译：交通信号灯同义词
同义词：
['traffic light', 'traffic controller', 'traffic signal']
例句：
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1. The traffic policeman was directing the traffic with his traffic light.
交警用他的交通灯指挥交通。
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2. The driver had to stop at the traffic light before crossing the road.
司机必须在过马路前在交通灯处停车。
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3. The new traffic light has improved safety for pedestrians and drivers alike.
新的交通灯提高了行人和驾驶员的安全性。