V2EX caster

Caster

释义 Definition

n.

  1. 脚轮;万向轮:装在家具、推车或设备底部、可滚动且常可旋转的小轮子。
  2. 投掷者;浇铸工;施法者:指进行 cast(投掷/铸造/施法)的人(此义较少单独使用,更常见于复合词如 spellcaster)。

发音 Pronunciation

/kstr/

例句 Examples

A chair with broken casters is hard to move.
脚轮坏了的椅子很难推动。

The lab cart rolled smoothly because each caster could swivel and lock, keeping the equipment stable during transport.
实验推车滚动得很顺畅,因为每个脚轮都能旋转并可锁定,从而在运输过程中保持设备稳定。

词源 Etymology

caster 由动词 cast(投掷;铸造;施法)加上表示“做某事的人/物”的后缀 -er 构成,原义可理解为“进行投掷/铸造的人或物”。cast 一词可追溯到古诺斯语 kasta(投掷)。表示“脚轮/万向轮”的含义属于后来的具体化用法,用来指代安装在器物底部、便于“被推动/滚动”的轮子组件。

相关词 Related Words

文学与作品 Literary Works

  • Dungeons & Dragons: Player’s Handbook(常见于玩家语境中指“施法职业/施法者”,如 “a caster”)
  • Machinery’s Handbook(工程与机械参考书中常出现 caster/casters 指脚轮部件)
  • 设备与家具装配说明书/产品手册(如办公椅、推车、机柜等的英文手册中常用 casters 指脚轮)
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