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

On some level, forgetfulness would just ease the grievousness of this miserable new psychological dynamic with which they are tormented.

在某种程度上，遗忘可以缓解痛苦,这痛苦来自于新的悲惨的心理变化,他们为此备受折磨。

耶鲁公开课 - 弥尔顿课程节选

One thing that does matter to our base level of wellbeing which is external circumstance is democracy versus oppression.

对基础幸福水平很重要的一样东西,它是一个外在因素，那就是民主和压迫。

哈佛公开课 - 幸福课课程节选

They're dispersing. But the other is that they've reached a level of sophistication, in some cases, which is pretty high,".

VOA: standard.2009.07.20

So it passes it back, past this exception, up to this level, which gets to that exception.

所以它过去了,把异常传到能够接受它的上层。

麻省理工公开课 - 计算机科学及编程导论课程节选

To accurately assess the level of second-hand smoke exposure, researchers tested for cotinine, which is produced when nicotine is metabolized.

VOA: standard.2010.06.15

Another thing that these kings are seen to do, which is in a way even at a lower level, is to be herdsmen.

这些国王们平时还,做一些更加低等的事情,比如放牧

耶鲁公开课 - 古希腊历史简介课程节选

But Fambul Tok is organized at the community level, which is the safest space for victims and offenders to tell their stories."

VOA: standard.2010.06.07

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

"And,at the international level have a process thorough which countries stand behind the actions they inscribe."

VOA: standard.2009.09.28

Other things like sexual orientation are used as a category by which some people, for religious reasons, need to have a certain level or kinds of rights or be excluded from others and also of course, certain obligations and duties first.

其他的像性取向也会作为一类区别,这些情况下，有些人出于宗教原因，需要有某些层次或者种类的权利,或者要和别人区别开来，当然，首先是要履行一定的责任义务。

普林斯顿公开课 - 人性课程节选

"I have agreed in principle to a new British force level of 9,500, which will be put into effect once these conditions are met,".

VOA: standard.2009.10.14

The rest of contemporary history, including all of the stormy events leading up to Milton's own beloved Puritan Revolution, in which Milton himself, of course, had participated -all of that has been at least at the literal level, at the explicit level, expunged from the poem.

接下来的当代历史，包括所有引领着弥尔顿所钟爱的清教徒革命的,暴风性事件，在那场革命中，弥尔顿本人也参与其中,-所有那些至少在文义层面，在独立于本诗之外可说清的层面，都是很重要的。

耶鲁公开课 - 弥尔顿课程节选

Analysts have said the request could be in the range of 40,000 troops, on top of increases President Barack Obama authorized earlier in the year, which are moving the U.S.troop level to 68,000.

VOA: standard.2009.09.25

I would be careful and not have all your money invested in stocks. I would look at a lot of these distressed debt--some of the distressed debt that has gone down. I don't know if you understand that but some of the debt that--even bank debt, which is the highest level, I think, has become very cheap.

我会非常的小心，不会把你们的钱全部都,投在股票上，我会寻找一些,不良债务--一些不良债务的价格已经下跌了,我不知道你们是不是理解这些东西,但一些债务--即使是银行债，它们的保险级别较高，我觉得，价格都已经很便宜了。

耶鲁公开课 - 金融市场课程节选

"I think we're going to get the upper level winds carrying that ash down for a few more days yet until the upper wind patterns change which will probably not happen until the time frame Thursday-Saturday.

VOA: standard.2010.04.17

There're also changes of what you can teach, extends what you can teach, because you can get to concept which are really quite sophisticated that you will never teach it at the introductory level, because the math is the least that you can make it quantitatively, because you have a visualization that shows physically what's going on.

同时这也能改变,教学内容，你能教授的程度，因为你可以定义,那些通常很难的,你在入门阶段都不会遇到的,抽象阶段，因为数学是你最不能,用定量手段来解决的，因为你有一个直观过程,知道什么正在进行。

麻省理工公开课 - 媒体、教育、市场课程节选

We're also happy to say we're not quite at 50% yet, 38% but the proportion of women in CS50 is now up to 38%, which is its highest level in 21 years.

我们非常高兴的说，在CS50课程上我们虽然没有50%的女生，但现在已经达到了，这是21年来最高的比例。

哈佛公开课 - 计算机科学课程节选

Here,the first level: do we focus on weaknesses, which is the disease model,say let's get rid of weaknesses?

第一个层次：,我们是否重视缺点，也就是疾病模型所说的我们要摆脱的缺点？

哈佛公开课 - 幸福课课程节选

But then it will also be taught at the second level, which is for every paper that you'll read, every paper that you'll write, you'll always be thinking, "Ok, how can I take these ideas and apply them to my life?

而教学内容的另一部分，你们读每一篇论文，写每一篇论文时，都需要思考，如何把这些理念运用到生活中去？

哈佛公开课 - 幸福课课程节选

So anything that goes from a higher energy level to 2 is going to be falling within the Balmer series, which is in the visible range of the spectrum.

任何更高能级到2能级2,都是属于Balmer系，它在可见光谱中。

麻省理工公开课 - 化学原理课程节选