身體適應了固定的運動強度以後就原地踏步了。所以要改變運動形式和強度

來源: 閑情於 2018-05-19 04:13:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.