建议你买个椭圆机，这个是最不伤膝盖的了，一边锻炼一边可以看电视，比跑步容易坚持

来源: rancho2008 于 2019-01-24 14:46:01 [旧帖] [给我悄悄话] 本文已被阅读：次

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