Basically what he did is he took a very thin metal foil and he bombarded it with charged particles.

简单的说他做的工作是,用一张非常薄的金属箔,然后用带电的粒子轰击它。

麻省理工公开课 - 固态化学导论课程节选

Now, I recognize-- well you should recognize that this is a very simplified view of a highly complex network of interactions that takes place.

我认为,你们应当了解,这只是对一个高度复杂,协同运作的网状工作系统的简单介绍

耶鲁公开课 - 生物医学工程探索课程节选

That's an important observation, and as we get to the part of the course we talk about computational complexity, you'll see that what we really care about is not how efficient the program is on easy problems but how efficient it is on hard problems.

我们已经学习了这门课程的一部分了，我们要开始认识到,计算的复杂度这个概念，你会学习到我们在乎的并不是,算法在简单问题上的工作效率,而是解决复杂问题的效率。

麻省理工公开课 - 计算机科学及编程导论课程节选

They're simply working within their own very narrow ambit.

他们只是简单地在有限范围的内部工作

耶鲁公开课 - 古希腊历史简介课程节选