名词
中文翻译：红灯
同义词：
['red light', 'traffic signal']
例句：
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1. The driver had to stop at the red light.
司机不得不在红灯处停下。
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2. The traffic policeman was directing traffic at the red light.
交警在红灯时指挥交通。
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3. We should always follow the red light when crossing the road.
过马路时，我们总是要遵守红灯规则。