Mars light
01
火星灯, 火星之光
a type of warning light mounted on the front of trains in North America, designed to rotate or oscillate to alert vehicles and pedestrians at crossings
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
Mars lights
例子
The Mars light flashed brightly as the train approached the station.
当火车接近车站时,火星灯明亮地闪烁。



























