但是这些都是什么公司呢？

But what are the companies?

youdao

他对神圣母亲说：母亲，这些都是什么？

He said to the Divine Mother: Mother, what is all this?

youdao

他对神圣母亲说：母亲，这些都是什么？

Mother: Mother, what is all this?

youdao

What's happening there? Well, the selection of reactants has been done judiciously to provide either heat or to provide something that's cool.

就会感到这东西，比如说变冷了，对吧？,这里发生了什么？这些反应物都是,被仔细的选出来的，能够提供热量或制冷。

麻省理工公开课 - 热力学与动力学课程节选

We'll actually see it's a wonderful way of effectively looping yourself back around, for instance if you're at the end of the alphabet So what about those variables?

如果我们要将某些东西首尾连在一起,在这个圈里循环，你就会看到它的奇妙之处了，譬如,你在字母表末,好，我么继续，这些变量都是些什么？

哈佛公开课 - 计算机科学课程节选

Right now, I still have the problem that those classes, those instances of classes, are exposed.

就是这些类，这些类的实例,都是暴露的，我这么说什么意思呢？

麻省理工公开课 - 计算机科学及编程导论课程节选