So, which atom is in need of those lone pair electrons?

那么，哪个原子需要这对孤对电子呢？

麻省理工公开课 - 化学原理课程节选

because the Earth is in need of people becoming more aware of what it needs.

因为地球需要人们的关心。

有很多活动 - SpeakingMax英语口语达人

Modern poetry is in need of annotation.

读现代诗歌需要很多的注解。

耶鲁公开课 - 现代诗歌课程节选

Now Microsoft is sort of a funny place, we've got these big businesses but in the software business big businesses need to be constantly recreated.

现今的微软是非常有意思的地方，我们运行着庞大的生意，但是在软件交易上,大宗交易更像是消遣。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

And the third fact that we need to keep in mind is that spins remain parallel prior to adding a second electron in any of the orbitals.

第三个事实是我们需要记住在,每个轨道加入第二个电子之前,自旋保持平行。

麻省理工公开课 - 化学原理课程节选

Which is just to say, we need to offer a biological/physical explanation of what goes on in near-death experiences.

那也只不过是说,关于濒死体验我们需要给出,一个生物学或物理学的解释

耶鲁公开课 - 死亡课程节选

Meaning is in the intention of the author, and that is what we need to arrive at as we work through the text.

含义在作者的意图之中，也是我们在读这个作品时需要领会到的。

耶鲁公开课 - 文学理论导论课程节选

I think the questions that you need to ask yourselves in the management of education for the adult learner is do we face a period of disruptive technology.

我认为,在管理教育成年学者时,你们应该问自己,我们面临着技术颠覆吗。

麻省理工公开课 - 媒体、教育、市场课程节选

The reason you have to get it out of your head is you need to be able to see it on a surface that is not in your mind.

这么做的原因是,你需要,客观地观察它,而不是看它在你大脑中的样子。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

So in particular, I need to tell you what is the cost of production.

譬如说大家要知道生产成本怎么计算

耶鲁公开课 - 博弈论课程节选

So, you want to give it to them because the biology of children is different than adults, and so you need to make sure it works in that population.

你希望将疫苗分发给孩子们,因为儿童与成人在生物学上不尽相同,要确保疫苗对儿童有效

耶鲁公开课 - 生物医学工程探索课程节选

So what I decided is that you need to know the whole book in the sense that you need to know all of the key terms and key points.

所以我决定了,我把掌握整本书的要求改为,你需要知道所有的关键词和关键点

耶鲁公开课 - 金融市场课程节选

Now, why the Fat Lady? It's this mythical, incredibly humanly embodied-- whenever you see a fat lady in a novel, one of the first things you want to ask is: why does that person need to be excessively embodied?

现在，为什么是胖太太，这是个神话，人们呈现了，无论你什么时候看到一个胖太太,在小说里，你首先会想问：,为什么那个人需要被这样过多的描写呢？

耶鲁公开课 - 1945年后的美国小说课程节选

You need to know what i prime is in terms of i and j.

你们要知道 i' 是如何用 i 和 j 表示的

耶鲁公开课 - 基础物理课程节选

r+ And let's say that sodium has a radius, r plus, r- and chlorine has a radius, r minus, when r is very large in comparison to the radii of the ions, I don't need to draw them this way.

让我们假设钠有半径，是，氯也有半径，是，当r比离子半径大很多的时候，我不需要这样来描述。

麻省理工公开课 - 固态化学导论课程节选

Once I have it sorted I can search it in log n time, but that's still isn't as good as just doing n. And this led to this idea of amortization, which is I need to not only factor in the cost, but how am I going to use it?

一旦对其完成排序,就可以在log，n的时间内对其完成搜索,但是这样做仍然不如n的复杂度,这样做引出了耗时分摊的想法,这时不仅需要考虑耗时的因素？

麻省理工公开课 - 计算机科学及编程导论课程节选