new
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:
-
an exercise device consisting of an endless belt on which a person can walk or jog without changing place
-
a mill that is powered by men or animals walking on a circular belt or climbing steps
-
a job involving drudgery and confinement
