And this structure that I've depicted here using the X's and O's is called the Lewis structure.

我在这儿描述的结构,用X和O表示电子的方式叫做Lewis电子式。

麻省理工公开课 - 固态化学导论课程节选

Aristotle is very sketchy here about the structure the institutional structure the make-up of the best regime acknowledging the best regime is one where the best men rule.

亚里士多德对于结构的描述,是概略的制度结构,最佳政体的构造,仅声明最佳政体,是由最优秀的人所统治。

耶鲁公开课 - 政治哲学导论课程节选

And resonance is the idea that sometimes one single Lewis structure does not adequately describe the electron configuration around a given molecule, so instead you need to draw two different Lewis structures to describe that more appropriately.

而所谓共振态,就是有时候一个路易斯结构不足以,完整描述一个给定分子的电子排布，因此这时你需要同时画出两个,不同的路易斯结构来描述它,这样会更恰当。

麻省理工公开课 - 化学原理课程节选

This Cambridge History of Food talks about three separate primary phases in human food evolution: one beginning a million and a half years ago, another about 700,000 years ago, and then the 10,000 year ago one that I talked about just a moment ago.

剑桥饮食史》描述了,人类饮食结构演化过程中的三个不同阶段,其一,始于一百五十万年前,其二,距今约七十万年,其三,距今一万年,我们刚讨论过了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选

So far we've exclusively been using Lewis structures any time we've tried to describe bonding within molecules.

目前为止任何时候我们尝试要,描述分子内的成键,我们都是利用Lewis结构。

麻省理工公开课 - 化学原理课程节选

This was the famous finding of Watson and Crick in describing the structure of DNA.

沃森和克里克对DNA结构的描述,是一项非常伟大的发现

耶鲁公开课 - 生物医学工程探索课程节选