[化] 信号灯
1. 信号灯：Signal equipment 信号设备 | Signal light 信号灯 | Simultaneous 同时的,同时发生的,联立的
2. 讯号灯：signal gong 讯号钟 | signal light 讯号灯 | signal-controlled pedestrian crossing 交通灯控制行人过路处
3. 通信闪光灯：signal lever 信号杠杆 | signal light 通信闪光灯 | signal light 信号灯
4. 信号灯火：signal lever ==> 信号てこ | signal light ==> 信号灯火 | signal mast ==> 信号柱
1. Some suggested installing a countdown signal light to remind drivers, and to prepare them for the yellow lights.
2. Hang a lantern aloft in the belfry arch of the North Church tower as a signal light.
3. signal light的近义词
3. This particular quasar has a regularly pulsing light signal with two major pulses every 12 years.
4. The red light went on to signal a goal but officials quickly disallowed it.