来自《耶鲁大学开放课程：基础物理 第1集 第1集》

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  Next, if you're going to sleep,
  另外 如果你要睡觉的话
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  I ask you to sit between two non-sleepers
  请坐在两个不睡觉的同学中间
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  because sometimes what happens,
  因为有时候
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  the whole row will topple over.
  整排的人都倒下了
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  We don't want the domino effect.
  多米诺效应可不好
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  Now, it's going to be captured on tape
  咱们这次是要录像的
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  and that's going to be really bad for my reputation,
  那样的话我的名声就毁了
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  so spread yourself around other people.
  所以尽量分散开来
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  All right.
  好的
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  So that's it in terms of class, you know, logistics and everything.
  以上就是所以关于课程的全部要求和安排
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  I'm going to start going into the physics proper.
  现在我们开始正式走进物理世界
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  I will try to finish every lecture on time,
  我会尽量准时下课的