traffic light
noun countable usually plural
■one of a set of red, yellow and green lights which control the movement of vehicles, usually at a point where two or more roads join 红绿灯，交通信号灯•The police pulled him over for failing to stop at a red traffic light.他因为闯红灯被员警要求停靠路边。 •Turn left at the traffic lights.在红绿灯那里向左转。 •The traffic lights turned green as we approached the junction.我们接近十字路口时，交通信号灯变成了绿色。 |