散步一天对减肥是有用的，只是对提高心肺功能没什么大用

来源: 袖底香于 2012-10-22 12:49:32 [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.