这条不能，其实，除非你是背重物长时间徒步，不然不需要

来源: 羊脂玉净瓶于 2013-03-18 18:13:52 [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.