Now if you look at the structure of this book, it has sections that say Key Points and Key Terms.

如果你看了整本书的结构,就会看到有个关键点和关键词的部分

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It got its name, of course, because there are parts of the world where people tend to eat this sort of a diet.

它之所以被称为地中海式饮食,是因为全球有部分地区的人们,以这种饮食结构为主

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Well, some things that your brain does involve very low-level internal structures.

大脑所参与的部分活动,用到了相当低层的内部结构

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Now if you read in the book, you read about where this figure is shown in the book, you can understand more about why these structures line up in the right way so that the right molecular elements are together to form hydrogen bonding pairs between them.

如果你预习过课本,课本中有关于这些详细的描述,你可以更深刻的理解,为什么这些结构是采用这种连接方式,以使对应的分子部分靠近,并形成氢键连接

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