So if you're curious this one I'm gonna kill off - because it will take a little while-- you'll find that available on the cloud if you'd like to experiment whether or not you're doing that edition or the other.

由于时间关系，我就现将其关闭,如果大家觉得好奇-,可以自己尝试一下,不管你是否选择将这个版本作为,实验内容。

哈佛公开课 - 计算机科学课程节选

So let's take boron, for example, and this has - it starts off with three valence electrons.

我们可以看一个例子,我们以硼为例，这有。

麻省理工公开课 - 化学原理课程节选