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
Drivers stopped at the railroad crossing when they saw the Mars light spinning.
司机们在铁路道口停下,当他们看到火星灯旋转时。



























