跑山坡一小時四十分肯定效果顯著，在跑步機上感覺2.5度和3度就感覺體力消耗差別巨大，別看就半度差別。

來源: 隨園居士於 2023-09-04 09:31:56 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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