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[易读错单词发音视频] 美语发音:Understanding the UH (as in butter)
美语发音:Understanding the UH (as in butter)2011-12-19 编辑:mike
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[易读错单词发音视频] 美语发音:Understanding the AH Vowel
Understanding the AH Vowel2011-12-12 编辑:mike
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[易读错单词发音视频] Understanding the OO Vowel
Understanding the OO Vowel理解OO原音2011-12-06 编辑:mike
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[易读错单词发音视频] Understanding the AA Vowel
Understanding the AA Vowel理解AA原音2011-12-05 编辑:mike