单词	treadmill
释义	treadmill /ˈtrɛdmɪl / noun 1A large wheel turned by the weight of people or animals treading on steps fitted into its inner surface, formerly used to drive machinery.Where humans worked against gravity, as they did inside cage wheels and upon treadmills, we can calculate the power outputs.... The work required of workhouse inmates, especially the treadmill, was so hard that most apprentices were unable to work for several days upon their return to the plantation. The original carousel opened in 1871 and was powered by a blind mule and a horse which walked a treadmill in an underground pit. 1.1A device used for exercise, consisting of a continuous moving belt on which to walk or run.Exercise therapy comprised an individualised aerobic exercise programme, mostly walking on treadmills and cycling on exercise bicycles.... The six male and six female participants completed four 90-minute walks on a treadmill in a refrigerated wind tunnel. For exercise, each subject walked on a treadmill at a rate sufficient to achieve a minute ventilation that was approximately 3 times his or her resting rate. 1.2A job or situation that is tiring or boring and from which it is hard to escape: the soulless treadmill of urban existence... While debt relief has been extremely effective, it is not sufficient to allow poor countries escape the treadmill of borrowing to repay old loans. In 1995, his second book, Ocean of Sound, provided a handy escape from the journalistic treadmill. New to Scotland, the classes are being booked up by people who have grown tired of the treadmill and are taking up tassels instead.
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