来自《耶鲁大学开放课程：聆听音乐 第23集 第23集》

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  the themes,the melodies,become much more expansive,
  主题 旋律变得更加广阔
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  and someone I think said earlier on here it has--
  之前有人在这儿说过
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  maybe the first point was there's pretty regular meter
  也许首先是 这段莫扎特的古典音乐曲子里
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  in this particular piece of Classical music by Mozart,
  有非常整齐的节拍
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  the "Mozart Bassoon Concerto," K.191. Is that right?
  《莫扎特巴松管协奏曲》 K.191 对吗
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  And so the regularity of the themes and the balance and symmetry
  主题的规则性 对称性和一致性
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  is part and parcel of the Classical period.
  是古典主义时期不可缺少的部分
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  You move into the Romantic. You have expansive themes,
  进入浪漫主义时期 主题会更广阔
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  but by way of contradistinction there,
  但是在这里 通过对比的方式
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  then the rhythm becomes not necessarily more flaccid, but more loose,
  节奏变得不一定更弛缓 但更宽松
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  and we talked about this phenomenon of rubato, for example.
  例如 我们讨论过这种弹性速度的现象
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  So flexible rhythms, flexible tempos, less clear meters in the Romantic period.
  浪漫主义时期具有多变的节奏 灵活的速度 模糊的拍子