跑步机的地道表达是 “ treadmill [tredml] ”（A treadmill 原由网is a piece of equipment, for example an exercise machine, consisting XOwibxof a wheel with steps around its edge or a continuous moving belt. The weight of a person or animal walking on原由网 it caus原由网es the wheel or belt to turn）.
词汇起源
tread 踩踏；mill 磨坊。机械引入前，欧洲的磨坊用人力或畜力驱动磨面机，有时被罚做苦役的囚犯也被迫做这项没完没了及其枯燥的活。现在很多人在健身中心的跑步机上花钱做同样的事情。
拓展
健身房：gym
哑铃：dumbbell
健身垫：exercise mat
瑜伽：yoga
俯卧撑：push-up，press-up
仰卧起坐：sit-up，crunch [ krnt ]
引体向上：pull-up，chin-up
胸肌：pecs [ peks ]，pectwww.58yuanyou.comoral [pektrl]
腹肌：abs [bz]，abdominal [bdmnl]
