n.枯燥无味的工作[生活方式]( treadmill的名词复数 )；（尤指旧时由人或牲畜踩动踏板使之转动的）踏车；（锻炼身体的）跑步机，走步机； 英英释义： treadmilln.an exercise device consisting of an endless belt on which a person can walk or jog without changing placea mill that is powered by men or animals walking on a circul