The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.

VOA: special.2009.08.06

To give a text an Author is to impose a limit on that text, to furnish it with a final signified, to close the writing.

在创作的时候，作者会给文章加上个限制，他最后会给出一个象征意义来结束写作。

耶鲁公开课 - 文学理论导论课程节选

then yes, you can progress. But there is a limit. There definitely is a limit.

那么你可以继续发展。但是这儿会有限制。限制是绝对有的。

机会之地，伦敦 - SpeakingMax英语口语达人

But in the western United States, there are highways where the speed limit is one hundred twenty-five kilometers an hour.

VOA: special.2010.04.26

I'm sure there's some upper limit as there are to most things, like if we think of wavelengths and different types of light, there is so large that you can get, but you would be approaching that level.

我确信对于大多数事物,都会有一个上限，就像我们考虑波长和不同的光时，那个太大了，但是你可以接近那个量级。

麻省理工公开课 - 化学原理课程节选

On March thirty-first, President Johnson spoke to Americans about the war in Vietnam and his efforts to limit it.

VOA: special.2009.08.30

God saw that he had to limit the life span of humans, or risk creating an enemy that was nearly equal to him.

上帝发现他限制了人类的寿命，否则就是冒险创造了与他平等的死敌。

耶鲁公开课 - 旧约导论课程节选

And it can limit the need for chemical fertilizers by letting animal waste do the job of natural fertilizer.

VOA: special.2010.01.19

These gas ions, if you take gas ions, these gas ions, if you take gas ions, gas ions of opposite charge will necessarily agglomerate without limit.

这些气态离子，如果你得到气态离子的话，如果你得到这些气态离子，具有相反电荷的气态离子,将必然会无限地聚集。

麻省理工公开课 - 固态化学导论课程节选

The company can organize online publicity campaigns to try to limit the harm done by negative comments or bad news.

VOA: special.2011.07.22

Physiologists ran tests, showing, proving scientifically the limit of human ability was running the mile in 4 minutes.

生理学家进行实验，在科学上展示证明人类能力极限,是四分钟跑一英里。

哈佛公开课 - 幸福课课程节选

We have talked a lot about salt. Keep in mind that doctors advise people to limit the sodium in their diet.

VOA: special.2010.08.30

That limit will be some arrow we can call the velocity at the time and it will always be tangent to the curve.

那个极限也就是一个矢量,我们称之为瞬时速度,并且它总是和轨迹相切的

耶鲁公开课 - 基础物理课程节选

But Adam Reed Tucker proves that the only limit to what the toy can do is a person's imagination.

VOA: special.2010.07.30

Okay, so way over the protein limit even though the intake of meat isn't so high.

尽管没有摄入过多的肉类,蛋白质还是超出了限制范围

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

He set a time limit for withdrawal of most American troops from Iraq, while increasing the number of troops in Afghanistan.

VOA: special.2009.05.02

This is the slope. f is just the limit.

这是一条普遍定律。

麻省理工公开课 - 热力学与动力学课程节选

Opposition Republican leaders agree on the need to raise the borrowing limit by August second or risk the nation's first default.

VOA: special.2011.07.15

As always with philosophy, there's more complicated versions of dualism where maybe the interaction doesn't work both ways, but let's just limit ourselves to good, old-fashioned, two-way interactionist dualism.

但由于我们在说的是哲学,二元论还持有更为复杂的观点,例如,交互作用对双方都不起作用,但就让我们限制在一个范围内较好,保守的,双向互动二元论观点

耶鲁公开课 - 死亡课程节选

If a corporation is legally a person, then states cannot limit corporate rights without due process of law either.

VOA: special.2010.03.05

It says that function, f of x, is bounded above here's an upper limit on it, that this grows no faster than quadratic in n, n squared.

这意味着这个方法f是有上限的,这个方法增长的速度,不会比括号内的n*n快。

麻省理工公开课 - 计算机科学及编程导论课程节选

Workers in Wisconsin, and now some other states, have been protesting efforts to limit the negotiating power of government employees.

VOA: special.2011.02.25

It tells how--there's a conforming loan limit that is a limit on how much Fannie and Freddie -how big a mortgage they can make to one homeowner.

两者都有一个贷款限额标准,也就是限定房利美和房地美,面向单个购房者的抵押贷款额度

耶鲁公开课 - 金融市场课程节选

They were concerned that the Supreme Court would require a test of some kind that could limit what can be patented.

VOA: special.2010.07.16

Seek fame, we all want that,and I'll say more about that, but you can't push it too far, there has to be some kind of a reasonable human limit to what you do.

功名利禄,世人所逐,但我想多说一句,凡事要有限度,也就是说,你的行为,该有某种合乎常人行为的界限

耶鲁公开课 - 古希腊历史简介课程节选

Yet France may raise the age limit for beer and wine sales to eighteen, the same as for hard liquor there.

VOA: special.2009.04.02

because it's just so fascinating to not limit myself to one field

因为不把自己限制在一个领域太迷人了，

选择美术的原因 - SpeakingMax英语口语达人

The president set a time limit of twenty fifteen for the design to be completed, after which building would begin.

VOA: special.2010.04.28

So we're going to limit in our discussion in 511-1 for molecular orbital theory to diatomic molecules.

我们在这个课堂上对分子轨道1,理论的讨论仅限于双原子分子。

麻省理工公开课 - 化学原理课程节选

A new sense of the limit of the possible was being born in me."

内心有个新想法,可能性是有限的“

耶鲁公开课 - 1945年后的美国小说课程节选