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单词 cog
释义 cog
n.
  1. each of a series of projections on the edge of a wheel or bar transferring motion by engaging with another series.
  2. an unimportant member of an organization etc.
Phrases and idioms
cog-wheel a wheel with cogs.
Derivatives
cogged adj.
Etymology: ME: prob. of Scand. orig.
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更新时间:2025/3/10 18:52:33