隻是想到比如走步半小時，如果同時負重十磅二十磅的，對腿部鍛煉效果是不是更好呢

來源: old-dream 於 2025-02-08 10:05:10 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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