标准美语发音的13个秘诀 CD 4 Track 50（在线收听）
Exercise 12-1: Nasal Consonants CD 4 Track 50
We are going to contrast nasals with regular consonant sounds. Repeat after me.
图片1
标准美语发音的13个秘诀 CD 4 Track 50（在线收听） |
Exercise 12-1: Nasal Consonants CD 4 Track 50 We are going to contrast nasals with regular consonant sounds. Repeat after me. 图片1 |
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