基础:+ T7 s( H. X0 q& k0 x( r
美语从头学美式音标 - 赖世雄$ l6 L9 ^0 K+ T' C
American English Pronunciation - Rachel's English+ F8 O, H: ?: ~5 w- Z
Mastering the American Accent - Lisa3 ]( L8 d- n) }
American Pronunciation Workshop – Paul/ i `6 V& n1 v* z
进阶: # C) [( i( K9 d: s3 G9 P% A( wAmerican Accent Training + p9 N j/ m- X( b9 m5 a: `- CImprove Your American English Accent$ J* K7 u$ p; h, R- X
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