This is giving us one more try on the vsper geometries, because it didn't go so well on Wednesday.

这里再给你们一次机会，我们周三课堂练习做的不是很好。

麻省理工公开课 - 化学原理课程节选

All right. So let's try one more example of drawing Lewis structures before we talk about formal charge.

好，让我们在讲形式电荷之前,再给一个例子画一下路易斯结构。

麻省理工公开课 - 化学原理课程节选

All right, we try one more time, here we go, let's try one more time.

好，我们再试一次，让我们开始吧。

麻省理工公开课 - 计算机科学及编程导论课程节选

OK. We're going to just try this one more time just so you can see it.

好的，我们将要再尝试一次,这样你们就可以看到它。

麻省理工公开课 - 化学原理课程节选

So, let's have you try one more, if we can switch over and talk about a 3 d orbital.

让我们再来看一个，转到课堂题目上去,我们来看看3d轨道。

麻省理工公开课 - 化学原理课程节选