This is a powerful image about racial separation in society at that time.

VOA: special.2009.03.23

And there is this separation which is a balance of attractive forces because the chloride is net negative and the sodium is net positive, but both of them, regardless of net charge, have electrons.

这里有一个平衡,引力的平衡,由于氯离子带有负的净电荷,钠离子带有正的净电荷，但是它们两个，没有考虑净电荷，电子。

麻省理工公开课 - 固态化学导论课程节选

Then I know that kx is equal to the force that is exerting at this separation.

然后我就能知道 kx 等于,这个位置上讲台产生的力的大小

耶鲁公开课 - 基础物理课程节选

During this time, racial separation laws were in effect in the South.

VOA: special.2010.05.23

Because we had this kind of antiseptic separation between suffering and non-suffering until we are the one suffering.

而我们一无所知，这是因为一道坚固的高墙隔开,我们和身处苦难的人们,直到我们亲自尝到苦难，这种隔离才会消失。

普林斯顿公开课 - 人性课程节选

This was the first nightclub in the United States without racial separation.

VOA: special.2010.05.23

And some of you--this--for those of you who aren't seeing the screen, is the separation of Jennifer Aniston and Brad Pitt.

那些没有看到屏幕的同学，这条新闻是说安妮斯顿和彼特离婚。

耶鲁公开课 - 心理学导论课程节选

This idea is often described as "the separation of church and state."

VOA: special.2009.05.22

So, it looks like this is good, because we'll have some separation in terms of not everyone's going to get 100% in terms of recitations here, which is what we're going for.

这看起来挺好的，因为我们总会有些分别,不是每个人都能百分之百做对所有习题%,而让每个人都能做对正是我们所追求的。

麻省理工公开课 - 化学原理课程节选

And, this minimum here is what gives us the value of the inter-electrode separation, the inter-ion separation.

这个最小值就是,电极间距离的值，离子间距离的值。

麻省理工公开课 - 固态化学导论课程节选

You can ask what the force that this quark will exert on that quark at a certain separation.

你会问,这个夸克对一段距离以外的那个夸克,有多大的作用力

耶鲁公开课 - 基础物理课程节选

This is the separation measured from the center of the sodium nucleus.

这就是分离,从钠核中心开始算。

麻省理工公开课 - 固态化学导论课程节选

We don't actually have much charge separation in this case here.

我们在这种情况下其实没有很多电荷分开。

麻省理工公开课 - 化学原理课程节选

So, for example, if I have a sodium ion over here, and I have a chloride ion over here, where the distance from center to center r I'm denoting as r, this is nucleus to nucleus separation.

所以，比如这有一个钠离子，和一个氯离子，它们中心与中心间的距离,我把它设为，这是原子核和原子和的间距。

麻省理工公开课 - 固态化学导论课程节选

Most people were able to get the packages to this man and it took at maximum six degrees of separation, which is where the famous phrase comes about that we're all separated from another person by six degrees of separation.

大部分人都能装包裹寄给这个男人,这个过程最多经过六度分隔，著名的六度分隔理论就是这样来的,这个理论是说人与人之间有六度分隔。

耶鲁公开课 - 心理学导论课程节选