前鼻音和后鼻音，平音和卷舌音？这些理论上我都能分清，只是一说话，容易出错。

来源: 盈盈一笑间于 2023-04-24 19:10:28 [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.