tread-mill
英[t'redm'ɪl]
美[t'redm'ɪl]
- 踏旋器
详细释义
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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