标准美语发音的13个秘诀 CD 4 Track 38（在线收听）

Chapter 11. Tense and Lax Vowels 

In this chapter, we tackle tense and lax vowels. This is the difference between [ā], tense, and [ε], lax, [ē], tense, and [i], lax. We will start with tense vowels.

Exercise 11-1; Tense Vowels          CD 4 Track 38

Don't pay attention to spelling or meaning. Just remember, ifyou are in the äcolumn, they all have the same ahsound. Repeat.

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