是这本吗?

来源: 2011-08-10 23:14:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

http://www.amazon.com/Mastering-American-Accent-Audio-CDs/dp/0764195824/ref=sr_1_1?ie=UTF8&qid=1313043161&sr=8-1

跟aat有多大差别啊?