It's kind of ironic that we put this in the same lecture as we talk about atomic radii, which we also call r, but they're two different r's, so you need to keep them separated in terms of what you're talking about.

有点讽刺的是,我们在同一堂课里还讨论过了原子半径，它也是用，r，表示的，但是它们具有不同的意义，因此大家需要注意区分它们,弄清楚我们讨论的是哪一个。

麻省理工公开课 - 化学原理课程节选

Before I do that though, let me try and give you an analogy to keep this in mind of why we want to basically build these abstractions and what we need in order to have them work together.

在我们看例子之前请让我打个比方,以便你们能记住我们,为什么要建立这些抽象,以及要使它们协调工作,我们需要做些什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

But you actually need to keep a few caveats in mind as you do this, which is the fact that trends predict a lot of chemical properties, but they can't predict everything in terms of biological properties.

不过在你使用的过程中,需要牢记一些注意事项,那就是元素周期律可以预言很多化学性质，但是不能预言一切性质,比如生物学性质。

麻省理工公开课 - 化学原理课程节选

But then Plato says, "Okay, but keep in mind all of what you need in order to have reminding, to have recollecting take place."

但是柏拉图又说,但是请记住,就是如果你需要能回忆与联想,起某个的东西

耶鲁公开课 - 死亡课程节选

So you need hundreds of millions of doses, at least, and you need a way to distribute that around the world, and you need a way to keep track of who got sick and who didn't after they got vaccinated.

至少需要上亿支的剂量,还得有办法将疫苗运送到世界各地,你还要一种方法进行跟踪,在接种疫苗之后谁得病了和谁没得病

耶鲁公开课 - 生物医学工程探索课程节选

It's something you can keep working on, that I need to keep working on, even Professor Raboteau needs to keep working on.

大家必须做到持之以恒，这也是我所追求的，甚至Raboteau教授也是一样。

普林斯顿公开课 - 人性课程节选

So any time that you're drawing these molecular orbital diagrams you want to keep in mind that the number of electrons that you have in atomic orbitals, you need to add those together and put that many electrons into your molecule.

任何时候当你们画分子轨道图时,你们要记住,原子轨道里的电子数，你要把它们加在一起,并放到分子轨道里去。

麻省理工公开课 - 化学原理课程节选

So if you haven't clicked in yet, or if you want to change your answer, keep in mind that you might need to jot down, - for example, a Lewis structure before you can answer this question.

如果你还没有点答案，或者你想改变你的答案，记住你也许需要在回答问题前写点东西，比如画一画Lewis结构,来得到最终。

麻省理工公开课 - 化学原理课程节选