- 问题详情:Burninglesscalorieswhilewalkingseemslikeabadidea,butmakingthewalkeasiermayactuallykeeppeopleontheirfeetlonger,andthatscientistssay,hassubstantialhealthbenefits.Analyzingthehumanwalk,biomedicalengineersStevenCollinsandGregSawickiconcludedthato...
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