The sad thing is that the majority of people that are killed by malaria are children because there immune system is not strong enough to ward off this infection."

VOA: special.2009.12.22

This indicates that by combining two lithiums, the energy of the combined system is lower than the energies of the atomic systems.

结果显示，两个锂结合后，其结合后的能量,比原子体系的能量要低。

麻省理工公开课 - 固态化学导论课程节选

I have shown that by taking Avogadro's number of individual ion pairs and putting them all together in a line, the system's energy became more negative.

我推导出了,从每一个离子对中抽出阿伏加德罗常数,再把它们放在一起在一列中，这个系统的能量就变得更负。

麻省理工公开课 - 固态化学导论课程节选

"It's a big deal. How big a deal you have to measure piece by piece but clearly it is the first major change in our health care system since nineteen sixty-five so that's a long time coming."

VOA: special.2010.03.27

This, by the way, is a way of showing the fact that everything which appears in a semiotic system is conventional, right?

这也表明了,任何在符号系统中出现的符号都要符合惯例？

耶鲁公开课 - 文学理论导论课程节选

Mr.Obama is proposing reforms to the U.S.health care system that would cut the costs of key programs by an estimated $313 billion.

VOA: standard.2009.06.13

That's a big problem and so can you protect these cells that you give to the recipient from attack by the recipient's immune system?

并且至关重要,那么你们想办法保护这些植入受体的细胞,使它们免受免疫系统的排异反应么

耶鲁公开课 - 生物医学工程探索课程节选

Republican leaders in the U.S.Congress responded to the president's remarks by charging once again that he wants a health care system run by bureaucrats in Washington.

VOA: standard.2009.06.15

I want to start out by mentioning taxes and welfare because, I think, that it's really the most important risk management system already in place.

我想从,税收和福利开始讲起，是因为，我认为，它们实际上是现行的最重要的,风险管理机制。

耶鲁公开课 - 金融市场课程节选

"With reform, we will make our financial system more transparent by bringing the kinds of complex backroom deals that helped trigger this crisis into the light of day."

VOA: standard.2010.05.15

Only the operating system has controlling of byte zero NULL in the computer's RAM and so if a function ever returns null, aka zero, well, something must have gone wrong because that can't possibly belong to me that memory because by human convention zero is owned by the operating system; not by a program I wrote.

只用操作系统在内存中能够控制,字节0，并且如果一个函数返回，或者说0，好的，可能出错了,因为那可能是不属于我的内存,因为惯例上，0是由操作系统拥有的,而不是由我的程序拥有的。

哈佛公开课 - 计算机科学课程节选

"Now they are checked by Interpol. Before we did not have a communications system that allowed information to be exchanged rapidly around the world with all of our countries.

VOA: standard.2009.11.09

They take this makeshift communication system developed by adults and, again, they turn it into a full-blown language, suggesting that to some extent it's part of our human nature to create languages.

他们继承了成人发展出来的临时交流系统,将这个临时交流系统,再次发展成一种成熟的语言,这表明从某种程度上来说,创造语言是我们人类本性的一部分

耶鲁公开课 - 心理学导论课程节选

"The report reconfirms that we still need a strong regulatory system to ensure that the technology is not squandered away by poor management practices by both farmers and seed developers."

VOA: standard.2010.04.15

Once you have registered, if some other slots become available that weren't previously available, I gather you'll be sent some sort of email by the system, in case some other time would be better for you.

一旦你注册了，之前的有些项目,就可用了，系统会用邮件方式向你发送，让你的时间更方便。

耶鲁公开课 - 死亡课程节选

Sleeping sickness is spread by a parasite that infects the central nervous system and,if left untreated, moves to the spinal column and brain, resulting in mental confusion and eventual death.

VOA: standard.2010.04.05

From Barak Obama.com, a moral imperative by any measure, by any measure, mark that, Dr. Sowell, a better health care system is also essential to rebuilding our economy.

援引，Barak，Obama。com网站的话，道德上,不管怎样，不管怎样，索尔博士，听听他说的，一个更好的医疗体系,对于重建经济很重要。

斯坦福公开课 - 经济学课程节选

Lawmakers finalizing Ahmadinejad has said the U.S.foreign relations budget for the next two years cited the test as yet another example of defiance by Tehran that they said further highlights the need to support Israel's missile defense system.

VOA: standard.2009.05.20

Now it's different in important ways because it's really focused at preventing the collapse of the economy that is created by a financial system failure.

现在，这个不同有很重要的意义,因为它真正专注于,阻止被金融系统的失败而引发的,经济的崩溃。

耶鲁公开课 - 金融市场课程节选

But Ayatollah Khamenei, without referring to Rafsanjani or the reformist camp by name, insisted that it is not permissible to level criticism at the system, and that those who do so "will be hated by the people for causing strife."

VOA: standard.2009.07.20

By systemic effects, I mean something that affects the whole financial system.

通过这种系统性作用,我指的那种影响整个金融体系的作用

耶鲁公开课 - 金融市场课程节选

"What is incredibly positive about the way the demonstration has come together is it is different groups of workers,students, different people that are affected by the crisis that is kind of gripping the system, actually coming together to say that collectively we can fight back and argue to put out priorities first,".

VOA: standard.2009.03.28

It's not just municipal governments, but a lot of different aspects of our financial system are going to be touched by a crisis that's spreading from one segment to another.

不仅仅是地方政府,还有很多不同的金融系统领域,都要被影响,危机波及到一个领域又一个领域

耶鲁公开课 - 金融市场课程节选

"I can understand that people who actually lived at that time, in the communist era, who were hurt by this system it might upset them to see young people who might have basically no knowledge about this system and didn't live in that, wearing the symbols they don't understand.

VOA: standard.2009.12.16

There are two general classes of molecules that are produced by the endocrine system.

内分泌系统产生的分子通常有两类

耶鲁公开课 - 生物医学工程探索课程节选

"This is a time where business community looks for specific concrete moves by the government so that we are able to build confidence and bring confidence back to the system and at the same time we'll be able to help promote more trade and investment,".

VOA: standard.2009.11.11