So we can think about now doing bonding, and now we have four equal orbitals with one electronic each.

我们现在可以考虑成键了，现在我们有4个等价的轨道，每个上面有1个电子。

麻省理工公开课 - 化学原理课程节选

It's been four and a half months now that I've been in and

我加入部队有四个半月了，

想当军人的理由 - SpeakingMax英语口语达人

So thermodynamics, based on these four laws now, requires an edifice, and it's a very mature science, and it requires that we define things carefully.

热力学是一座，建立在这四条定律上的大厦,它是一门非常成熟的科学，也要求我们在定义东西时非常小心。

麻省理工公开课 - 热力学与动力学课程节选

4 6 Just as in nitrogen, we get two, four, six here, but now we have two more electrons.

对于氮，我们有，但是现在我们有两个多的电子。

麻省理工公开课 - 固态化学导论课程节选

Now, it's interesting because the other four books of the Pentateuch never mention a king. In Genesis through Numbers none of the legal materials say when you have a king this is what he shall do.

有趣的是，摩西五经中的其他四本经书,从来没有提到过国王，从《创世纪》到《民数记》,从没有一份正规的材料说,当你有了一位国王后，这些就是他应该做的事情。

耶鲁公开课 - 旧约导论课程节选

They are linked together by four different colored segments indicated here not by colors now but by letters.

它们由四个不同颜色的片段连接,这里不是用颜色表示,是用字母表示

耶鲁公开课 - 生物医学工程探索课程节选

2 3 4 Now, at this point in the story, one, two, three, four, so notice what seems to be happening here.

到这一步，注意将会发生什么。

哈佛公开课 - 计算机科学课程节选

So what this means, if you used to have two children and now you have four, how do you provide for the extra two?

比如一家过去有两个孩子,现在多了两个,多了两张嘴,怎么办呢

耶鲁公开课 - 古希腊历史简介课程节选

Sixteenth because we've got four impulses for each beat. Let's go on to the next here now a couple of questions we could ask.

十六分音符,因为每拍有四个冲动点,我们继续,还可以问几个问题

耶鲁公开课 - 聆听音乐课程节选

Now,some people still try to figure out that you've got four.

有些人还在试图弄清楚。

耶鲁公开课 - 新约课程节选

As I'll explain later in class, in Florida there used to be many, many, many varieties of oranges and now there are about four and there are commercials reasons for this occurring.

稍后我会详细解释,在佛罗里达州曾经有很多种类的橙子,而现在那里大概仅剩四种,这一切的发生归咎于商业上的原因

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

What I would like you to do is to remember this and four years from now, when most of you are ready to graduate, if that one person in here would email me okay?! and let me know who it is, okay?

我希望你们,记得做的是四年后，当你们大部份人准备毕业时，那人能写封电邮,让我知道他／她的大名？

耶鲁公开课 - 政治哲学导论课程节选

So now what we have is four bonds.

现在我们有4个键。

麻省理工公开课 - 化学原理课程节选

Now think of another product in American history that doubled every decade for four decades, and then imagine that that product became the country's, without question, absolute largest export.

思考下在美国历史中有没有另一种产品曾,有如此辉煌的成就,那么这个产品将毫无疑问地,成为美国最大的出口产品

耶鲁公开课 - 美国内战与重建课程节选

Okay, so now we've seen four different combinations.

目前为止我们看到了四种组合

耶鲁公开课 - 博弈论课程节选

Well right now, after I graduate from my four years at Columbia,

目前，我从哥伦比亚本科四年毕业后，

什么事情都是可能的 - SpeakingMax英语口语达人