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单词 sprocket wheel
释义

sprocket /sprokˈit/

noun
  1. A tooth on the rim of a wheel or capstan for engaging the chain
  2. A toothed cylinder for driving a film, tape, etc
  3. A sprocket wheel
  4. A piece of wood used to build a roof out over eaves
ORIGIN: Origin unknown

sprocket wheel noun

A wheel with sprockets

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更新时间:2024/12/23 3:55:00