tread mill
英
美
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名词 treadmill:
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an exercise device consisting of an endless belt on which a person can walk or jog without changing place
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a mill that is powered by men or animals walking on a circular belt or climbing steps
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a job involving drudgery and confinement
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌