来自《耶鲁大学开放课程：聆听音乐 第10集 第10集》

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  and shift quickly or just move your bow quickly
  或者快速以琴弓掠过四根弦
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  across the strings you can give the impression of four pitches,
  就可以带给人四音同时演奏的感觉
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  but they-- all four have to be in tune
  但是四个音要求都要准
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  so you got to have four fingers usually
  所以你通常需要四个手指
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  in four different spots and that's hard to do.
  准确地放在四个位置上 这很难
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  Do you want to play a quadruple stop
  你可以为他们
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  for them there just to--anywhere,or-- yeah.
  演奏一个四音终止吗 很好
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  So when you hear those chords,
  当你听到这些和弦
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  a violin playing chords,
  小提琴演奏的和弦时
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  well,that's easy--on the piano
  在钢琴上演奏和弦是很容易的
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  or whatever it is --
  随便什么和弦
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  that's easy on the piano.
  在钢琴上都很容易