... traffic signal light 交通灯号 ; 交通指示灯 ; 交通信号灯 Traffic Warning Light 交通警示灯 traffic signal light group 线型交通信号灯组 ; 交通信号灯组 ...
权威例句
1.
It said it wanted a "traffic light" warning system for drugs - with green for those safe to take and drive, amber for caution and red signalling severe adverse effects which would dangerously impair driving.