What did we know at the end of the 19th century about the structure of the atom?

在19世纪末,关于原子结构我们了解多少呢？

麻省理工公开课 - 固态化学导论课程节选

And we graduated the same year -- now no one has to say what year that was, even if you know, but we did graduate the same year.

我们同一年毕业的-,当然我不要求你们说出是哪一年，可能有人知道，我们在同一年毕业。

麻省理工公开课 - 化学原理课程节选

This is tremendously important because every Greek state that we know about made the claim that that's what it did.

这点极其重要,因为我们所知的每一个希腊政府,都是这样去做的

耶鲁公开课 - 古希腊历史简介课程节选

After logging into the course's website, you'll appear on the top left-hand corner as I just did with your actual names that we know exactly who we're working with and then what you can do is raise your hand sort to speak.

登录课程网站之后，你将被显示在,左上角，通过你们的真实名字,我可以知道我到底是在跟谁一起工作,然后你们可以做的是举手来回答问题。

哈佛公开课 - 计算机科学课程节选

We did it very quietly because we didn't know what to expect.

因为我们不知道这个网站的实际效果,人们的期望太高了。

麻省理工公开课 - 媒体、教育、市场课程节选

He's a monopoly; so she's a monopolist, so we know how to figure out monopoly quantities from what we did in 115 or equivalent courses.

她会形成垄断,我们都知道如何计算垄断产出,在115或者类似课程中都学过的

耶鲁公开课 - 博弈论课程节选

Did we do tonics? Do we know what a tonic is?

我们唱过主音吗,主音是什么

耶鲁公开课 - 聆听音乐课程节选

That's not the end of the story. The question really is, so now we know that, what kind of relations did they have?

这不是重点,真正的问题是,它们之间的关系到底是什么

耶鲁公开课 - 古希腊历史简介课程节选

Well, we don't know why they did what they did.

总之,我们不清楚他们为什么这样做

耶鲁公开课 - 古希腊历史简介课程节选

In class on Monday, we did go over the geometries, and the geometries themselves are very straightforward, once you know what the Lewis structure is, but remember, you can't just always look at a molecule and automatically know the Lewis structure.

在周一的课上，我们讲过了几何形状，一旦你们知道了Lewis结构，这些几何形状是十分直接的，但记住，你不能总是仅仅看一眼,分子就知道它的Lewis结构。

麻省理工公开课 - 化学原理课程节选