traffic怎么读,trafficlight

manual on uniform traffic control devices (mutcd)
等红灯英语怎么说?可不是" wait the red light"!
旅游问路指路实用英语,天桥?地下通道?右转直走英文怎么说?
交通灯 we should be careful at the traffic lights.
look at the traffic 看这交通