traffic light

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• ① 交通灯号(★通常分为停止信号(red light)、危险信号(amber light; yellow)、安全信号(green light)三种)
  • A line of vehicles were waiting for the traffic lights to change.一行车辆正在等待交通灯号改变。
  • The traffic light turned [went] green.交通灯号变成绿色了。

• ②[通常用复数形]交通信号灯
  • Turn left at the traffic lights.在交通信号灯的地方向左转。
  • When the traffic lights are red, you must stop.交通信号灯为红色时,你必须停下来。