有可能，尤其是马拉松运动员。。

来源: ERommel 于 2012-10-31 18:59:57 [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.