The scientists say the current level of diversity within cattle breeds is at least as great as within humans.

VOA: special.2009.05.05

Whereas, 27% of whites are reading at a low level, 22% of Asian-Pacific kids are reading at low level.

也处于低水平，然而，27%的白人孩子阅读能力很差，而22%亚太地区的孩子阅读能力很差。

麻省理工公开课 - 媒体、教育、市场课程节选

And with the ultimate goal of teaching it at a university level, hopefully at a school like Columbia

我最终的目标是在大学教书，很希望能在像哥伦比亚这样的大学，

什么事情都是可能的 - SpeakingMax英语口语达人

Dr.Chan says the WHO is no longer operating "at the level of top performance that is increasingly needed,and expected."

VOA: special.2011.01.19

But as part of a more rigorous introduction to understanding how the machines work and writing programs at this lower level.

作为一种,理解电脑工作机制,和在低平台上编程的入门方法。

哈佛公开课 - 计算机科学课程节选

She hoped women would have jobs at every level of the industry when flying became a common form of transportation.

VOA: special.2010.05.26

With the scene of the flight of the pagan gods at the nativity of Christ Milton is also depicting a scenario that, I think, on some level he's hoping will occur within himself.

在《圣诞清晨歌》中有一个无宗教信仰的人逃跑的画面,我认为弥尔顿同时也在描绘一个剧情，某种程度上他希望这样的事情也会发生在自己身上。

耶鲁公开课 - 弥尔顿课程节选

It ends at the Dead Sea, the lowest point on Earth, four hundred meters below the level of the Mediterranean Sea.

VOA: special.2009.05.18

A low-level language, we used to call this assembly programming, you're down at the level of, your primitives are literally moving pieces of data from one location of memory to another, through a very simple operation.

一个低级的语言，我们曾经将其称为假设编程，你们只是处于用基本要素，把一些数据碎片,从记忆存储器的一个地方，通过简单的操作来转到另外一个地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

Mr.Obama criticized the law, but said such laws are the understandable result of inaction at the federal level.

VOA: special.2010.07.03

So, evolution works at a level of the genes and because of that it could give rise to animals that are themselves altruistic.

进化论起作用的是我们的基因,因此进化论能产生,有利他主义的动物。

耶鲁公开课 - 心理学导论课程节选

Still,this would only mean that there are community-level outbreaks in at least one other country in a different area of the world.

VOA: special.2009.05.06

So, one difference between photoelectron spectroscopy and, for example, the photoelectric effect is that in this case, we're not just looking at one energy level, which is what we were looking at from the surface of a metal, now we're talking about this gaseous atom.

光电子能谱与光电效应的不同点在于，以这种情况为例，我们不只关心一个能级，就像原来在金属表面那样，现在我们研究的是气体原子，所以，我们可以从原子中。

麻省理工公开课 - 化学原理课程节选

Gaylord Nelson later said that "Earth Day worked because of the immediate response at the grassroots level."

VOA: special.2010.04.21

The respiratory system plays an important role in maintaining our internal environment at the proper level of oxygen, by bringing the right amount in.

呼吸系统的重要性在于,通过向体内输入适量的氧气,维持人体内环境中的氧平衡

耶鲁公开课 - 生物医学工程探索课程节选

It happened so early in the flight, at a level of about 900 meters, that the crew had little time to decide what to do.

VOA: special.2009.01.30

At this level of abstraction, plainly there isn't all that much incentive to apply thinking of that kind, but on the other hand undoubtedly theory does exist for the most part to be applied.

就这门课程中理论的抽象程度而言，没必要把它,用于实践，但是在绝大多数情况下,理论无疑都是为了实践而存在。

耶鲁公开课 - 文学理论导论课程节选

But Marc Tucker says students who pass the exams could stay in high school and take a demanding set of exams at the upper division level.

VOA: special.2010.02.25

The best explanation of that behavior is to be found by claiming that at some level, at some fundamental level,we don't really believe what we claim to believe.

对那种行为最好的说明就是口头上相信，但在某种根本的程度上，我们并不相信它。

耶鲁公开课 - 死亡课程节选

The mineral content of clay also affects the temperature level at which it hardens.

VOA: special.2009.09.09

I've always been the kind of person who cared deeply about what happened at the national and international level.

我一直十分关心,国内国际发生的时事。

普林斯顿公开课 - 人性课程节选

In five of them, the rate at which fish are being taken out of the sea has dropped to a level that should let the populations recover.

VOA: special.2009.09.08

And so if one is looking to keep protein at a certain level, then these sort of foods would get favored.

但还不是全部 而如果要使体内蛋白维持在某种水平上,那这些食物会比较受青睐

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is generally true of American schools, especially at the undergraduate level.

VOA: special.2009.01.22

If you drill down at the level of molecules you see that it's not homogeneous.

如果你深入到分子层面上,你就会发现它是不均匀的。

麻省理工公开课 - 热力学与动力学课程节选

In the center,at ground level, is a round pool of water.

VOA: special.2009.05.25

I want to talk a little bit sort of at a general level about modeling.

我想用一些可以说是,最普通的模型构造。

麻省理工公开课 - 固态化学导论课程节选

It was enough to be in the presence of this great anchor I so admired, and to realize he was not above having a beer at the end of a very long broadcast with low-level support people.

VOA: special.2009.08.16

So even at my level of arithmetic that's a lot less than 30%.

就我的算数水平都知道这绝对少于30%

耶鲁公开课 - 博弈论课程节选

So it makes sense to be able to say, look for many methods I do want to have a way of doing comparison, and I don't have to remember, at top level, what the name of the comparison method was.

所有我需要的对象进行操作，那么就可以这么说了,我想要在很多方法里面，去找做比较的方法，我并不需要记住，每一个比较的方法的名字。

麻省理工公开课 - 计算机科学及编程导论课程节选