traffic light

US /ˈtræf.ɪk ˌlaɪt/
UK /ˈtræf.ɪk ˌlaɪt/
"traffic light" picture
1.

红绿灯, 交通灯

a set of automatically operated colored lights, typically red, yellow, and green, for controlling the flow of traffic at road junctions or pedestrian crossings

:
The car stopped at the traffic light.
汽车在红绿灯处停了下来。
Turn left at the next traffic light.
在下一个红绿灯处左转。