The World Health Organization, the United Nations health agency, uses a system of six phases to warn of possible influenza pandemics.

VOA: special.2009.05.06

So we have system insulated from the outside world, and we have two bulbs.

我们有一个与环境隔绝的系统，和两个腔体。

麻省理工公开课 - 热力学与动力学课程节选

Because I think our education system, pre-college is generally not great in sort of the world scale.

因为我觉得我们的教育系统，大学之前的教育在世界范围内并不是最好的。

优秀的MBA人们 - SpeakingMax英语口语达人

This week,we tell about the biggest system of freshwater lakes in the world, the Great Lakes between the United States and Canada.

VOA: special.2009.11.11

In, and above all, in the phase of the world, that is, not responsive to our system of values.

总的来说，世界现状，并没有回应我们的价值观。

麻省理工公开课 - 电影哲学课程节选

For example, the Great Barrier Reef in Australia is the largest coral reef system in the world.

VOA: special.2009.04.22

Every advanced country in the world has a system that provides for this, including the United States, incidentally.

世界上每一个发达国家,顺便一提，包括美国在内，都有应对这些情况的制度。

耶鲁公开课 - 金融市场课程节选

During World War One, Margaret Brown went to France to help with the American medical ambulance system.

VOA: special.2010.03.08

Suppose we're looking at the system isolated from the outside world.

假设我们研究一个,与外部环境。

麻省理工公开课 - 热力学与动力学课程节选

Leaders of the major developed and developing economies discussed ways to fix the world financial system.

VOA: special.2009.10.02

And this is very important, because the Romans, as their power grew in the East, they simply moved increasingly into the eastern Mediterranean and they adopted the whole Greek system, the Greek world, and they didn't even try to make it non-Greek.

这点非常重要，因为随着罗马人的势力在东方日渐壮大，他们不断朝地中海东部推进,并采取了全套希腊系统，希腊世界，甚至没有作出任何非希腊式的改变。

耶鲁公开课 - 新约课程节选

But the lending organization warns that strong policies to supervise and support the financial system are needed if the world economy is to fully recovery.

VOA: special.2009.04.24

How would you have had the great Greek playwrights, they would argue, without the system, the world the Greeks were able to create with the Helots?

还有伟大的古希腊戏剧家是怎样来的,没有这个制度,希腊人怎能用奴隶创造昔日的繁荣

耶鲁公开课 - 美国内战与重建课程节选

Today,Aravind Eye Care System is the largest eye care provider in the world.

VOA: special.2010.04.27

Well, like the rest of the ancient world, Israel had a cultic system, and that cultic system featured a sanctuary: a sacred space with holy objects; sacred objects, where priests performed a variety of ritual acts.

和其他古代世界一样，以色列有一个宗教系统，圣所是这个系统的一个特色：,它是一个布满了神圣物体的地方，祭司会在这里举行一系列的仪式。

耶鲁公开课 - 旧约导论课程节选

So the system is not foolproof." "But overall,it is in our view, the better system than anywhere else in the world because it gives average citizens an opportunity to listen to the evidence and make independent judgments the government is not part of."

VOA: special.2009.08.31

So these organisms like this are abundant in the world around us and our immune system prevents us from getting sick most of the time.

在我们周围充斥着像这样的生物体,而免疫系统在大多数时候能够抵御疾病

耶鲁公开课 - 生物医学工程探索课程节选

But Blatter said the current system could not be changed during the World Cup, which is currently approaching the quarterfinals in South Africa.

VOA: standard.2010.06.29

You've got these warehouses along the canals and here's where the bankers-- the Dutch had the most, along with the English, had sophisticated banking system in the world.

你已经见过了这些运河旁的仓库了,这些银行家们,大部分来自于荷兰,同时也来自英国,他们拥有世界上最复杂的的银行系统

耶鲁公开课 - 欧洲文明课程节选

President Obama surprised the world last Thursday when he announced plans to cancel a missile defense system in Europe proposed by the Bush administration.

VOA: standard.2009.09.24

One thing that's been a trend around the world is that the I mentioned that the U.S. Federal Reserve System was different from other central banks in that it was designed to have independence.

一个在世界范围内,流行的事实是,我提到过美国联邦储备系统,与其他中央银行不同,因为它有独立自主性。

耶鲁公开课 - 金融市场课程节选

The $150 million system is the second largest of its kind in the world.

VOA: standard.2010.07.30

Here there's an expansion going on, so the system is doing work to the external world.

这里发生了膨胀,所以系统对外界做功，活塞被推出来。

麻省理工公开课 - 热力学与动力学课程节选

Says that in the ancient world, Angkor was known for its sophisticated water system.

VOA: standard.2010.04.05

So, nobody starves in advanced countries of the world today because of this system.

所以，今天的发达国家里无人挨饿,就归功于这个制度。

耶鲁公开课 - 金融市场课程节选

Mr.Zuma said the global economic crisis highlighted the need to reform the international financial system and multilateral lending groups like the World Bank and International Monetary Fund.

VOA: standard.2009.06.10

Depending on what you call external and internal environment, this path that I'm tracing here, deep within your digestive system, is really directly connected to the outside world through both ends.

基于你们所谓的外环境和内环境,我在这里我所指的消化系统内部通路,它的两端确实与外界环境直接相通

耶鲁公开课 - 生物医学工程探索课程节选

(Speaking) Toyota was founded in the early 1930s but the its real success came after World War II when it developed something called "The Toyota Production System."

VOA: standard.2010.02.15

Now, normally that's a good thing because if you're out in the world and you get infected with adenoviruses you recover from it, your immune system can get rid of it.

通常情况下这是好事,这可以让暴露在户外的你,免于腺病毒的侵害,你的免疫系统可以清除病毒

耶鲁公开课 - 生物医学工程探索课程节选

It's the pressure the external world is applying on this poor system here.

V是气体初态和,末态的体积之差。

麻省理工公开课 - 热力学与动力学课程节选