家裏有走步機的話，量好速度步幅，履帶上畫好腳印，每天踩腳印中速走二十分鍾，硬掰過來，應該可行。

來源: 久今於 2018-04-30 16:54:21 [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.