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单词 cogwheel
释义

cog1 /kog/

noun
  1. A projection, eg on a toothed wheel
  2. A cogwheel
  3. An unimportant person in a large organization
transitive verb (coggˈing; cogged)
  1. To furnish with cogs
  2. To stop (a wheel) by putting a block in front of it
ORIGIN: ME cogge; ety uncertain; cf Swed kugge

cog railway noun

A rack railway (qv under rack1)

cogˈwheel noun

A toothed wheel

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更新时间:2024/12/23 8:28:13