treadmill
英 ['tredmɪl]
美['trɛdmɪl]
- n. 踏车，跑步机；单调的工作
英英释意
- 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