traffic lights
(亦作traffic light 或traffic signal)
plural noun
- a set of automatically operated coloured lights, typically red, amber, and green, for controlling traffic at road junctions, pedestrian crossings, and roundabouts交通灯, 红绿灯。
| 单词 | traffic lights |
| 释义 | traffic lights(亦作traffic light 或traffic signal) plural noun
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