我倒是知道一个

来源: 马奎于 2009-11-04 19:58:11 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.uiowa.edu/~acadtech/phonetics/#

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