V2EX light trail

Light Trail

Definition / 定义

light trail光轨、光迹(常见于摄影与视频领域,指移动光源在长时间曝光或持续拍摄中留下的亮线;也可引申为“光的痕迹/光带”)。

Pronunciation / 发音

/lat trel/

Examples / 例句

The car left a light trail on the highway at night.
夜里,汽车在高速公路上留下了一道光轨。

Using a long exposure, the photographer captured a light trail that curved through the city streets like a ribbon.
摄影师用长时间曝光拍下了光轨,它像丝带一样弯弯曲曲穿过城市街道。

Etymology / 词源

light(光) + trail(痕迹;尾迹) 组成。trail 本义是“被拖曳后留下的痕迹/踪迹”,与“尾随、尾迹”的意象相关;合在一起就表示“光移动后留下的痕迹”。作为摄影术语的用法,随着长曝光摄影与夜景拍摄的普及而更常见。

Related Words / 相关词

Literary Works / 文学作品中的用例

  • 科幻文学与赛博朋克作品中常见类似描写(常用变体如 light trailsa trail of light)来呈现高速移动、霓虹城市与数字化视觉意象,例如 William Gibson《Neuromancer》Neal Stephenson《Snow Crash》一类作品中的场景描写常会使用这类“光迹/光带”的表达。
  • 现代非虚构写作与摄影类文本(如摄影随笔、旅行写作、城市夜景描写)中也常直接使用 light trail 来指代“长曝光光轨”的视觉效果。
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