来自《耶鲁大学开放课程：新生有机化学 第1集 第1集》

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  So the class really is mostly about theory,
  这门课的内容大多是关于理论
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  although we describe the basis for the theory
  虽然我们描述理论基础
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  and spend a lot of time trying to make it real.
  并花很多时间试图描述的更具体
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  But we require Chemistry 126L, the lab.
  但我们还是需要化学一二六L的实验课程
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  This is the only chemistry course
  这是唯一一门
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  that requires you to take a lab simultaneously.
  要与实验课同时进行的化学课程
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  So I hope you're all enrolling in that
  我希望你们都报名实验课程
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  because there'll be a certain day
  因为总有一天
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  that you want to be able to take it.
  你们会希望能够上到这堂课
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  It's just one afternoon a week, three hours or whatever it is,
  一星期只上一个下午 大约三小时
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  but you want to get your first choice,
  但你们会希望那是第一选择
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  so line up soon.
  所以请尽快做安排