他在美国呆了多年，还拿了博士，怎么英语发音这么生硬？

来源: 薛成于 2014-12-19 19:04:54 [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.