Plate tectonics is the area of science that explains why the surface of the Earth changes and how those changes cause earthquakes.

VOA: special.2010.01.12

That's why the poem, the lyric poem, is privileged among the forms of literary discourse in the New Criticism.

这就是为什么诗，一首抒情诗，在新批评派眼里要优于其他各种文学形式。

耶鲁公开课 - 文学理论导论课程节选

Well, the reason why the Euro exists is really because

欧元存在的原因是，

欧洲中的英国 - SpeakingMax英语口语达人

In his description of that first trip west, Waterman Ormsby explained why the station was called "the Pinery."

VOA: special.2010.04.26

What psychologists don't really know is why the Lake Wobegon effect exists, and there are a couple of proposals.

但心理学家还不知道,为什么乌比冈效应会存在，目前有几个假设。

耶鲁公开课 - 心理学导论课程节选

They say their findings offer one reason why the custom of cursing may have continued for so long.

VOA: special.2009.08.18

There's a reason why the first attempt to even write about international law comes at this period.

这也就是为什么在这个时期,会有人在历史上第一次尝试撰写国际法

耶鲁公开课 - 欧洲文明课程节选

And we will also tell you why the words "Rosabelle,believe" are important for magicians around the world.

VOA: special.2010.12.17

And my mother said, "Why the heck would a person need a computer?"

我母亲说“人要电脑干什么？“

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

The scientists say that studies based on the new genome may help explain, in the short-term, why the organism has been so aggressive.

VOA: special.2009.11.03

And also because, and this is also the reason why the power points are always available, I want you to be engaged in the material.

另一个原因，之所以提前提供幻灯片，我希望你们能充分理解材料。

哈佛公开课 - 幸福课课程节选

They say there are other reasons why the large animals and people from that period disappeared.

VOA: special.2009.01.20

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

And that's why the American Recovery and Reinvestment Plan won't just throw money at our problems.

VOA: special.2009.01.09

He did it to bring more light, he did it to bring more air, he did it to free the flow for capital, money; that's why the department stores are on the boulevards.

他这么做是为了多点光,多点新鲜空气,他为了使资产的流动更为自由,这就是为什么百货商店都建在大道旁边

耶鲁公开课 - 1871年后的法国课程节选

The scientists say that in the short term, studies based on the new genome may help explain why the pathogen has been so aggressive.

VOA: special.2009.10.20

That's why the world is fascinated with us.

矛盾让我们着迷于这个世界

耶鲁公开课 - 美国内战与重建课程节选

That is why the word heart is used in so many expressions about emotional situations.

VOA: special.2010.07.18

It's in response to what seems to have been an aesthetic reaction to the poem that the printer of Paradise Lost asked Milton, went back to Milton and asked him to append a note to the book's second printing -- to append a note that explains why the poem rhymes not.

这是弥尔顿对《失乐园》的出版商的答复,出版商问弥尔顿关于此诗的美学问题，他找到弥尔顿，让他给此诗的第二次印刷附一个,注解--附个注解解释这诗为什么不押韵。

耶鲁公开课 - 弥尔顿课程节选

However,researchers say they will study why the gel did not protect in all cases.

VOA: special.2010.07.21

Nobody can see the interest rate-- why the interest rate's at the level it is in the market-- because nobody can see all these individuals; but that's why the interest rate gets determined and is in equilibrium.

没有人能知道,为什么市场利率会是现在的结果,因为没有人能知道其他人的想法,但市场利率就是这样确定并达到均衡

耶鲁公开课 - 金融市场课程节选

She developed the theory explaining how and why the ozone hole happens over Antarctica.

VOA: special.2009.03.13

And why the claim of the utter destruction of the Canaanites when evidence points to close Canaanite origins? This practice, which I mentioned before and is known as herem or the ban, is not unique to Israel. I know some of you have studied it in sections you looked at the inscription of King Mesha, King Mesha of Moab.

那为何要声称迦南彻底的毁灭呢？,当证据指出了迦南的起源，这一习俗，也就是我之前提到的禁忌或祭祀，并不是以色列独有的，我想你们也已经学过,你们看摩押米沙王的题词，摩押的米沙王。

耶鲁公开课 - 旧约导论课程节选

This is why the alliance is important for combining resources and finding new ones.

VOA: special.2010.01.05

They're not interacting at all so that's why the energy is the same as that for two individual atoms, that's what we're dealing with. As we get closer together, we start get lower and lower in energy.

它们之间没有任何相互作用，因此,体系的能量就等于两个分开的原子的能量，这就是我们要处理的，而随着我们的距离越来越近，我们的能量开始变得越来越低。

麻省理工公开课 - 化学原理课程节选

Maybe that is why the city's saying is "Our Future Is Our Past."

VOA: special.2009.06.01

Can we explain why the ones that do break down break down and the ones that don't break down don't break down?

我们能解释,为什么那个分裂了的原子分裂了,而没分裂的原子没有分裂吗

耶鲁公开课 - 死亡课程节选

Robert E.Lee could not understand why the Union force had returned to Chancellorsville.

VOA: special.2009.10.15

Dynamics then tells you why the object goes up, why the object goes down and why is it pulled down and so on.

而动力学则会告诉你为什么物体向上运动,为什么向下运动,为什么停下来,等等

耶鲁公开课 - 基础物理课程节选

Yeah, so like a giant wedge, that's why the cart seems to move in front of you, so we're talking about musical volume here.

对,就像个巨大的楔子,这就是牛车在你面前动起来的原因,所以,我们要谈的是音乐的音量

耶鲁公开课 - 聆听音乐课程节选