名词
中文翻译：倒车灯总成
同义词：
['rearview mirror', 'turn signal light', 'taillight']
例句：
-
1. The car's ring-down trunk lights up when the driver turns on the headlights.
当司机打开前大灯时，汽车的倒车灯总成就会亮起。
-
2.The policeman used his ring-down trunk to illuminate the dark alleyway.
警察用他的倒车灯照亮了黑暗的小巷。
-
3. The old man had a ring-down trunk that he could use to signal for help in emergencies.
这位老人有一个可以用于紧急情况下求救的倒车灯总成。