About eighty percents of illnesses spread by food are still listed as having been caused by "unspecified agents."

VOA: special.2011.01.11

It's an infectious disease; it is spread by--through the air.

它是一种传染病,通过空气传播

耶鲁公开课 - 生物医学工程探索课程节选

If you want to spread happiness, "Be the change you want to see in the world." By example.

如果你想传播快乐，“成为你想在世上见到的改变“，以身作则。

哈佛公开课 - 幸福课课程节选

People around the world can prevent diseases spread by mosquitoes by removing standing water from their property.

VOA: special.2009.04.13

Because it was precisely because of this one world, run by the Romans and maintained by the Romans, that allowed the spread of Christianity, to a great extent, both ideologically and thought-wise, as well as simply physically.

因为正是由罗马人统治维持的，这个统一的世界，给予基督教在大范围面积内广为传播的机会，不仅是在意识形态和智慧方面，还有物质条件方面。

耶鲁公开课 - 新约课程节选

Bunchy top disease can spread from plant to plant and is also spread by aphids.

VOA: special.2009.09.21

Whatever happens to me, when it's spread out over six billion plus people, it ends up divided by six billion and it becomes unobservable.

发生在我身上的事，分散到六十多亿人口上，被六十亿除,就变得难以察觉。

耶鲁公开课 - 金融市场课程节选

The message also included links to information about diseases spread by sexual activity.

VOA: special.2009.02.03

People who came by land you would be hearing rumblings about down the road from villages that were spread out, but if somebody comes in from the sea on a ship, you may find them there in the morning and you don't know what's what.

陆上来客总伴随着车马隆隆声,沿着途经的村庄一路传来,但是如果有人乘船从海上到来,当他早上来到时你会发现,你对他一无所知

耶鲁公开课 - 古希腊历史简介课程节选

Sleeping sickness is spread by the bite of the tsetse fly.

VOA: special.2010.04.07

By the way, when we do grading for the class, what we're going to do is to spread the grading around the teaching fellows so that everybody's work is going to get graded evenly by all the teaching fellows.

还有,等到课程评分的时候,我们就会,让几位助教轮流来做,尽可能让每一位助教,都给大家的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The most important disease spread by mosquitoes is malaria.

VOA: special.2009.05.26

The disease is spread by tick bites.

VOA: special.2009.11.03

He said a lot of misinformation is being spread by critics of reform, adding that it is necessary to clear the air.

VOA: standard.2009.08.11

"What kind of a speech they're defending? The kind of speech,the hatred, the communal hatred, that is being spread by Mr.Varun Gandhi,".

VOA: standard.2009.03.28

Most infections are spread by heterosexual intercourse, with younger women and older men disproportionately affected.

VOA: standard.2009.04.04

The World Health Organization estimates that between 50,000 and 70,000 people in sub-Saharan Africa are infected with sleeping sickness, which is spread by the tsetse fly.

VOA: standard.2010.04.05

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

"But it also should be an honest debate, not one dominated by willful misrepresentations and outright distortions, spread by the very folks who would benefit the most by keeping things exactly as they are,".

VOA: standard.2009.08.22

It said Congress had no right to help spread slavery by permitting it in the new western territories.

VOA: special.2009.03.12

Phase five is marked by human-to-human spread of the virus into at least two countries in the same area of the world.

VOA: special.2009.05.06

By this time, word of Brown's attack had spread to Charles Town, more than twelve kilometers away.

VOA: special.2009.06.25

By then, Whitman's fame had spread to many nations.

VOA: special.2009.04.12

"By going to phase six, what this would mean is that the spread of the virus is continued and that activity has become established in at least two regions of the world.

VOA: special.2009.06.10

(Sound) He said precautionary measures taken by Saudi health officials were responsible for containing the spread of the virus.

VOA: standard.2009.11.29

Thai authorities say they spread hate speech and lies and instigated violence during a two-month demonstration by thousands of protesters in Bangkok.

VOA: standard.2010.07.06

Most efforts to curb their spread have failed, and many people resort to killing the toads with poison gases or by freezing them.

VOA: standard.2010.02.07

So they pin up posters on election commission sponsored bulletin boards and spread their message by megaphones.

VOA: standard.2009.07.27

Dr.Strebel says the Millennium Development Goal aimed at reducing child mortality by two-thirds by 2015 will be missed if measles outbreaks continue to spread.

VOA: standard.2010.05.21

But the idea that traffic could be impeded by the spread of swine flu worries U.S.

VOA: standard.2009.04.30