V2EX reverse light

Reverse Light

定义 Definition

(汽车)倒车灯:车辆挂入倒挡或开始倒车时自动点亮的白色灯,用于照亮车后方并提示后方行人/车辆“正在倒车”。(英式英语中也常称 reversing light;美式英语中常用 backup light。)

发音 Pronunciation (IPA)

/rvs lat/

例句 Examples

The reverse light came on when I shifted into reverse.
我挂入倒挡时,倒车灯亮了。

If your reverse light doesn’t work, it can make backing out at night dangerous and may fail a safety inspection.
如果倒车灯不亮,夜间倒车会更危险,也可能无法通过安全检测。

词源 Etymology

reverse 来自拉丁语 re-(“向后、再”)+ versare(“转动、转向”),在车辆语境里引申为“倒车/倒挡”;light 来自古英语 lēoht(“光、灯”)。合起来 reverse light 就是“倒车时用的灯”。

相关词 Related Words

文学与著名出处 Literary & Notable Works

reverse light 作为固定术语更常见于汽车工程与法规/标准文本,而非传统文学作品中。常见出处包括:

  • Bosch Automotive Handbook(汽车工程工具书中对倒车灯/信号灯有系统说明)
  • UNECE Regulation No. 23(联合国欧洲经济委员会关于“倒车灯”的法规文本)
  • SAE 相关汽车照明标准与工程资料(讨论倒车灯的光色、可见性与安装要求)
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