The traffic lights were out of phase.
交通信号灯不同步。
红绿灯（等于traffic signals）
The significance of a green traffic light is generally understood.
人们通常都明白绿
交通灯的含义。
声明：以上
句、词性分类均由
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相似单词
traffic control, traffic cop, traffic court, traffic island, traffic jam, traffic light, traffic lights, traffic pattern, traffic signal, trafficability,