American Accent Training 笔记 10

American Accent Training  笔记 10

Chapter 10 S or Z ?

The sound of the letter S is [s] only if it follows an unvoiced consonant .

Otherwise ,it becomes a Z in disguise.

When an S follows a vowel ,a voiced consonant, or another S ,it turns into [z]

Chapter 11 Tense and Lax Vowels

Exercise :Tense Vowels