cog

cog1
noun
  1. a wheel or bar with a series of projections on its edge, which transfers motion by engaging with projections on another wheel or bar
    齿轮;嵌齿轮
    she was only a very small cog in a big machine.
    她只是大型机器上的一颗小小螺丝钉,一个小人物罢了。
    ■each of such a series of projections
    (齿轮上的)轮齿,嵌齿
派生
cogged
adjective
语源
  1. Middle English: probably of Scandinavian origin and related to Swedish kugge and Norwegian kug

cog2
noun
  1. a broadly built medieval ship with a rounded prow and stern
    (船身宽、船首和船尾圆的)中世纪海船
语源
  1. Middle English: related to Middle Dutch kogge, Old French cogue

cog3
verb
  1. [with obj.](Irish informal)copy (someone else's work) illicitly or without acknowledgement
    (爱尔兰,非正式)抄袭,剽窃(他人劳动成果)
    he's away cogging his homework from Aggie's wee girl.
    他去抄雅琪矮小的女儿的家庭作业了。
语源
  1. mid 16th cent. (in senses practise tricks in throwing dice' and cheat'): of unknown origin
英语宝典
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