每天踢毽子300-500下，骑自行车5公里，坚持2-3年，可防止股骨头坏死。

来源: 孤舟渔翁于 2014-02-19 07:15:12 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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

Change Ad Consent