单词 | sprocket |
释义 | sprocket/ˈsprɒkɪt /noun 1Each of several projections on the rim of a wheel that engage with the links of a chain or with holes in film, tape, or paper.One of the drive chains jumped the sprocket and the team could not fix it....
1.1 (also sprocket wheel) A wheel with sprockets.Modern aluminium sprocket wheels are so light, he says, that doubling their size is relatively unimportant....
OriginMid 16th century (denoting a triangular piece of timber used in a roof): of unknown origin. Rhymes |
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