V2EX cogwheel

Cogwheel

释义 Definition

cogwheel(名词)齿轮;带齿的轮子,用来与其他齿轮啮合以传递动力或改变速度/方向。(也常简称为 cog;在不同语境中还有其他较少见含义。)

发音 Pronunciation (IPA)

/kwil/(英)
/kwil/(美)

例句 Examples

A cogwheel turns when the motor runs.
电机运转时,齿轮会转动。

In the old clock, each cogwheel had to mesh perfectly for the hands to keep accurate time.
在那座老钟里,每个齿轮都必须完美啮合,指针才能保持走时准确。

词源 Etymology

cogwheelcog(齿、齿状突起)+ wheel(轮子)构成,字面意思是“带齿的轮”。cog 这一部分与古英语中表示“齿/凸齿”的词源有关,后来在机械语境里专指齿轮的齿或齿轮本身。

相关词 Related Words

文学作品 Literary Works

  • Charles Dickens Hard Times(常见于工业与机械隐喻语境,涉及“机器/齿轮式社会”的描写)
  • H. G. Wells The Time Machine(涉及装置与机械意象的叙述中可见相关用词)
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