We are going to now go into the atom and try to understand the scientific basis for this observed behavior.

我们现在要讲讲原子,并试着去理解这个观察行为,的科学原理。

麻省理工公开课 - 固态化学导论课程节选

The key thing to notice is, I now have the ability to create iterations, which extends well I can do.

要注意的关键点是，我们现在已经学会如何去创建迭代了，这大大扩展了我们能做的事情的范围。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, now that we've got a system, we've got to describe it.

我们现在有了一个系统，我们要去描述它，’

麻省理工公开课 - 热力学与动力学课程节选