鍛煉的形式並不是關鍵，強度是相對的，今天的“高強度”一兩年以後就不高了，反之亦然

來源: coach1960 於 2017-02-27 20:03:39 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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