tread·mill /ˈtrɛdˌmɪl/
踏車,單調的工作
tread·mill /ˈtrɛdˌmɪl/ 名詞
跑台,活動地板,踏車
Tread·mill n. A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It is used principally as a means of prison discipline. Also, a mill worked by horses, dogs, etc., treading an endless belt.
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treadmill
n 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 [syn: treadwheel, tread-wheel]
3: a job involving drudgery and confinement [syn: salt mine]