这就是我们的节日——春节。

This is our festival - the Spring Festival.

youdao

这就是我们的目标。

This is what we are shooting for.

youdao

带着我们柔嫩的、充满希望的皮肤，这就是我们的起点。

With our tender, hopeful skin, that is where we begin.

youdao

That's the set up. We're going to run the reactants, the reaction. The reactants are going to turn into products.

这就是我们的装置，我们要进行反应,让反应物变成生成物。

麻省理工公开课 - 热力学与动力学课程节选

Arsenic is like phosphorus. He takes those two facts, plus the courage to leave blanks, and this is what he gives us.

砷和磷很像，他记住了这两点，在加上敢于留空的勇气，这就是他给我们的。

麻省理工公开课 - 固态化学导论课程节选

So I'm going to solve this by enumerate and check, which is an example of what's called a brute-force algorithm.

你懂的,所以我得靠列举和检验来解决这个问题,这就是我们说的穷举算法。

麻省理工公开课 - 计算机科学及编程导论课程节选