tread mill

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tread mill的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 treadmill:
  1. an exercise device consisting of an endless belt on which a person can walk or jog without changing place

  2. a mill that is powered by men or animals walking on a circular belt or climbing steps

  3. a job involving drudgery and confinement

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