健腹輪(ab wheel)練腹肌很有效。不過，許多人不知ab wheel為何物。

來源: qquito 於 2016-05-19 15:09:32 [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.