来自《耶鲁大学开放课程：生物医学工程探索 第3集 第3集》

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  what it looks like, and how it behaves in the simple sense.
  DNA的结构 以及它的功能
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  What I want to spend the rest of the time doing
  下面的时间我将讲解
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  is talking about some of the biological properties of DNA.
  一些DNA的生物学特性
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  Again,
  诚然
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  I know this is something that's familiar to most of you
  我知道这些内容大部分同学已经非常熟悉
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  and so indulge me just for the rest of this lecture, I'll go through it.
  所以我在下面的时间里简单的阐述一下
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  I want to try to hit the points that I think are important
  我会讲一些我认为非常重要的内容和概念
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  to remember because they're going to be concepts
  这些内容和概念
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  that come up again and again throughout the course,
  将会在这个课程中反复出现
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  and I want to make sure that we're on the same page.
  我要求每个同学都要完全掌握这些内容
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  This diagram at the top
  顶部这个示意图
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  here is a very familiar one to most of you,
  对大家来说都非常熟悉