V2EX pulley

Pulley

释义 Definition

pulley(名词):滑轮;一种带槽的轮子,配合绳子/皮带/链条使用,用来改变拉力方向或省力提升重物。(也可指“滑轮组”的单个滑轮;在某些语境下也可引申为机械系统中的传动滑轮。)

发音 Pronunciation

/pli/

例句 Examples

The flag rose smoothly on the pulley.
旗子通过滑轮顺畅升起。

A system of pulleys and cables lifted the engine while workers guided it into place.
一套滑轮和钢缆系统把发动机吊起,工人们一边引导它就位。

词源 Etymology

pulley 出现在中古英语时期,来源于古法语 poulie(滑轮),可能与表示“轮子/小球状物”的词根有关,体现了其“滚动的轮”这一核心形态与功能。随着航海与机械技术发展,该词在英语中逐渐固定为“滑轮(装置)”的常用名称。

相关词 Related Words

文学作品 Literary Works

  • Moby-Dick(Herman Melville):航海场景中常描写甲板设备(绳索、滑轮等)以完成升降与牵引操作。
  • Treasure Island(Robert Louis Stevenson):海盗与船只相关描写中会涉及船上的绳索与滑轮装置,用于升帆与搬运。
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