来自《耶鲁大学开放课程：聆听音乐 第10集 第10集》

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  Oscar.
  奥斯卡
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  Yeah.He has filled in the notes of a diatonic major scale
  对 他在自然大调音阶中插入了
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  with the other notes--
  另一些音符
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  the black-keyed notes--here,
  这些黑键音符
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  making it a chromatic scale.
  使它变成一个半音音阶
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  So he's enriched it a little bit by means of chromaticism.
  他用半音音阶使音乐变得更丰富
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  All right. Let's go on to another variation by Mozart here.
  好 让我们再听一个莫扎特的变奏
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  What's the texture of this variation?
  注意它的织体有什么特点
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  What do you think about the texture of that?
  你们觉得它的织体有何特点
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  Homophonic,monophonic,or polyphonic?
  是和声织体 单声织体 还是复调织体
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  Polyphonic,yeah.
  对了 是复调的
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  Was it imitative or non-imitative?
  那么是模仿式的还是非模仿式的