回复：回复：New Concept English II - 91 (03/28/09)

来源: 于 2009-03-28 04:52:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Dell laptop 1525, Audacity, Altec Lansing microphone (10$) which was bought in a small shop.

I did noise removal every time.

Good luck.