The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.

摩尔体积发生了很小的改变,如果你试图使气体分子间相互碰撞，他们不能占据同一个位置。

麻省理工公开课 - 热力学与动力学课程节选

In the course of traveling, cultures encounter other culture and they often encounter cultures that are very different from their own.

在旅行过程中,文化与文化相互碰撞,而人们通常则会遇到,与其自身所处文化截然不同的另一些文化

耶鲁公开课 - 心理学导论课程节选

And, this is what prevents them from collapsing into one another.

而这就是阻止,相互碰撞的东西。

麻省理工公开课 - 固态化学导论课程节选

Actually, the automobile insurance is more important than the homeowners' insurance, even though homes are so much more valuable, because--I think that's because cars move and they drive around and they bump into each other.

实际上,尽管住宅要比汽车值钱的多,但是,汽车保险要远比,住宅保险重要,我觉得这是因为汽车是可以移动的,车主们开着车到处跑,容易相互碰撞

耶鲁公开课 - 金融市场课程节选