He wanted to prevent the South from shipping its agricultural products to other countries in exchange for industrial goods.

VOA: special.2009.09.10

We'll talk about humble in a minute, but I'm interested now in the word prevent, which for me is really the central word of this remarkable stanza.

我们待会再讲这个谦逊，我现在对阻止这个词很感兴趣，我认为这是这一行的中心词。

耶鲁公开课 - 弥尔顿课程节选

You also know that there's some vaccines that are not yet available, for diseases that we would very much like to prevent.

你们知道现在还有一些疫苗,仍没有研制出来,都是针对那些亟需预防的疾病的

耶鲁公开课 - 生物医学工程探索课程节选

For the past year, the World Food Program has operated a project to prevent hunger in twenty-one countries in Africa.

VOA: special.2009.11.17

I'm talking about trying to prevent suffering and prompt for people who don't want to going on living themselves or in the case of babies allowing parents to make that judgment for themselves and their family.

我所做的是为了防止痛苦,或是帮助那些不愿,活下去的人们,或是让上述例子中的孩子的父母,能够作出决定，为他们自己，也为这个家庭。

普林斯顿公开课 - 人性课程节选

But these may not develop for two or three days after an overdose too late to prevent damage.

VOA: special.2009.07.08

The U.S. Federal Reserve System was really a copy of the Bank of England thinking that, well, the Bank of England managed to prevent bank runs for all these years, let's create the Fed, which we'll talk about again later.

美国联邦储备制度,就是模仿英格兰银行而建立的,试想一下,由于英格兰银行在预防,银行挤兑方面一直都很成功,所以美国就效仿建立联邦储备,后面的课程再讲美联储

耶鲁公开课 - 金融市场课程节选

For example, you can add sand to prevent tiny breaks or lines from forming in the finished product.

VOA: special.2009.09.14

It's not merely a negative thing the way I think modern ideas about law, as for instance, represented in the American Constitution are, which is to say, its function is to prevent wrong doing, to punish wrong doing.

我的理解是,这里的法律,不仅仅指当今的法律条款,比如美国宪法所代表的那些内容,也就是,行使防范错误行为,以及惩罚错误行为的职能

耶鲁公开课 - 古希腊历史简介课程节选

The group which works to prevent conflicts remembers her as someone who always spoke for the victims.

VOA: special.2009.03.09

And if the government didn't provide for the poor as ten percent as you say through taxation, then we would need more money for police to prevent crime and so, either way, there would be more taxes taken away to provide " what you guys call the necessary things that the government provides.

如果政府不能,通过税收来补贴你所提到的10%的穷人，则需要花更多的钱雇警力来防止犯罪,所以，不管怎样，都需要交更多的税,提供你们所说的政府该提供的“必需品。

耶鲁公开课 - 公正课程节选

For example,natural chemicals from black pepper and the Indian spice turmeric might help to prevent breast cancer.

VOA: special.2010.06.01

It wasn't caused by the Fed's sudden tightening against inflation. It was different it was this recession was not understood not anticipated; the Fed came in late to cut interest rates to try to prevent it from being worse because it just didn't seem to have any reason for happening.

它不是由于美联储对通货膨胀的,突然紧缩政策造成的，它不同之处在于,这个经济衰退没有被理解，没有事先准备好；,美联储试图阻止它恶化而,降低利率为时已晚，因为,它似乎看起来没有任何理由发生。

耶鲁公开课 - 金融市场课程节选

The call is always given three times to prevent mistaking it for some similar sounding words.

VOA: special.2010.04.18

It includes a seven-point plan for countries to use to prevent and treat diarrhea.

VOA: special.2009.11.09

We can,for example, given the rate of investment, eliminate malaria as a public health problem, we can prevent millions of more HIV infections and also in tuberculosis.

VOA: special.2010.03.10

There is no cure for Parkinson's and no way to prevent it.

VOA: special.2009.04.07

These groups wanted to prevent blacks from voting for radical Republicans.

VOA: special.2010.03.04

They traditionally are a home for wild birds and prevent erosion.

VOA: special.2009.10.06

Vaccination is a life or death question for poor people and if you can vaccinate a child to prevent a disease from happening it is a lot more cost effective than it is to treat that disease afterwards."

VOA: special.2010.03.29

That means these children will not die of these diseases,5.4 million, and we hope to prevent 4.2 million premature deaths by keeping immunization rates high over the next five years for basic immunization and rolling out vaccines against pneumonia and rotavirus diarrhea."

VOA: special.2010.09.15

After years of corporate mergers in the financial industry, the president is calling for legislation to prevent the further consolidation.

VOA: standard.2010.01.21

Many of these jobs are helping farmers at the same time: improving agricultural canals, rural roads,and planting trees to prevent erosion,for example.

VOA: standard.2010.04.29

Bernanke has been praised for taking aggressive action to prevent an economic catastrophe after last year's widespread problems in the financial industry.

VOA: standard.2009.08.25

The conference will discuss groups like al-Qaida and how to prevent them from obtaining nuclear materials for bombs.

VOA: standard.2010.04.06

He says President Obama has to prevent Israel from doing this kind of thing, and not to protect or cover up for Israel.

VOA: standard.2010.06.22

And,as I said,it would be tough for any government,any country, to prevent these kinds of attacks."

VOA: standard.2009.12.11

They acknowledge they will not be able to prevent similar practices in the future, but they are hopeful their study will promote changes for the better.

VOA: standard.2009.03.21

"They were willing to risk their lives, in this case, to prevent Afghanistan from once again becoming a safe haven for al-Qaida and its extremist allies.

VOA: standard.2009.10.26

"Copenhagen can and must be the turning point in the world's efforts to prevent runaway climate change and usher in a new era of green growth for all,".

VOA: standard.2009.12.17