noun🔗Share跑步机， 跑台 A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place."To stay fit, my mom uses the treadmill every morning before work. "为了保持健康，我妈妈每天早上上班前都会用跑步机锻炼。sportmachinetechnologydeviceChat with AIVocabulary GamePractice Reading
noun🔗Share跑步机， 滚轮机 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."The prisoners used the treadmill as part of their daily regimen. "囚犯们每天都要使用滚轮机，这是他们日常苦役的一部分。machineworkhistorydeviceinhumanChat with AIVocabulary GamePractice Reading
noun🔗Share跑步机， 踏车。 A mill worked by horses, dogs, etc., treading an endless belt."In the old factory, a donkey walked in circles on the treadmill, powering the machinery. "在旧工厂里，一头驴子在一个踏车上绕圈走动，以此来驱动机器运转。machineanimalworkutilitydeviceChat with AIVocabulary GamePractice Reading
