是的，比椭圆机还保护膝盖。我是用划船机整出了好看的手臂线条，没有蝴蝶臂和蝴蝶背。你去看看Youtube先喜欢不

来源: red_flower 于 2023-01-25 10:52:20 [旧帖] [给我悄悄话] 本文已被阅读：次

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