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单词 treadmill
释义 treadmill
 /tred"mil'/,  n.  
  1. an apparatus for producing rotary motion by the weight of people or animals, treading on a succession of moving steps or a belt that forms a kind of continuous path, as around the periphery of a pair of horizontal cylinders.
  2. an exercise machine that allows the user to walk or run in place, usually on a continuous moving belt.
  3. any monotonous, wearisome routine in which there is little or no satisfactory progress.
 [1815-25; TREAD + MILL1]
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更新时间:2024/11/10 16:24:31