As some sponsors have pulled out, others have stepped in to take their place, and Roush says she see the situation improving along with the economy.

VOA: standard.2010.02.21

So we'll start to look at molecules and we'll see if we take two atoms and we fill in our molecular orbital and it turns out that they have more anti-bonding orbitals than bonding, that's -- a diatomic molecule we'll never see.

我们要看开始看一看分子,并且我们会发现如果我们,取两个原子并且填入分子轨道,结果是它们的反键轨道,比成键轨道更多，这就是-一个我们不会看到的二元子分子。

麻省理工公开课 - 化学原理课程节选

And that right now we can no longer afford to incarcerate, see, more than two million people, and take them not only out of workforce, but keeping them away from information of knowledge of literacy.

现在，我们已没有能力,去限制两亿人口，让他们，脱离劳动力，让他们脱离信息,知识或文化素养。

麻省理工公开课 - 媒体、教育、市场课程节选

So let's look at another example, Li2 let's take lithium 2 and see what we can figure out here. In lithium 2, we have two atoms of lithium, each have three electrons in them.

让我们看另外一个例子，我们看一看,看我们能得到什么，在Li2中，我们有两个Li原子，每个带有3个电子。

麻省理工公开课 - 化学原理课程节选