traffic signal
英英释义
Noun- a visual signal to control the flow of traffic at intersections
例句
用作名词(n.)- Traffic lights have been placed at all major intersections.所有重要的交叉路口都安装了交通信号灯。
- He learns how to wait for the traffic light to change.他学习如何等待交通信号灯的变换。
- The driver pulled up at the traffic lights.司机在红绿灯前把车停住。
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