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
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。
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。



























