Headlamp

1917 advertisement for the Corning Conaphore headlamp lens shown above

European (top) and US (bottom) headlamp configurations on a Citroën DS

A headlamp is a lamp attached to the front of a vehicle to light the road ahead. While it is common for the term headlight to be used interchangeably in informal discussion, headlamp is the term for the device itself, while headlight properly refers to the beam of light produced and distributed by the device.

单词	Low Beam
释义	Low Beam 英语百科 Headlamp A headlamp is a lamp attached to the front of a vehicle to light the road ahead. While it is common for the term headlight to be used interchangeably in informal discussion, headlamp is the term for the device itself, while headlight properly refers to the beam of light produced and distributed by the device.
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Low Beam

Headlamp