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单词 sprocket
释义

sprocket

noun
/ˈsprɒkɪt/
/ˈsprɑːkɪt/
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  1. (also sprocket wheel)
    a wheel with a row of teeth around the edge that connect with the holes of a bicycle chain or with holes in a film, etc. in order to turn itTopics Engineeringc2
  2. enlarge image
    one of the teeth on such a wheel
    Topics Engineeringc2
  3. Word Originmid 16th cent. (denoting a triangular piece of timber used in a roof): of unknown origin.
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更新时间:2025/3/10 6:34:37