Medical workers in Haiti are now trying to spread the message not to use river water without some form of purification.

VOA: special.2010.11.10

Realize that there's this wonderful mechanism in place that allows you to put your toe in the water for several weeks no less and then get a sense, and then decide whether or not this is something for you.

要知道这种好的评分体制哈佛也有,在这种机制下你可以先试听几周,熟悉这一机制，然后再决定这是否适合你。

哈佛公开课 - 计算机科学课程节选

Yeah. Suppose I choose it right down there I guess 0. Well, the tangent there will not even have an x intercept. So I'm really going to be dead in the water.

好，如果我选猜想数为0，好吧,这个点的切线甚至和x轴都没交点,所以在这儿这一原则,真的不起作用了。

麻省理工公开课 - 计算机科学及编程导论课程节选

For the best results, carrots should be grown in sandy soil that does not hold water for a long time.

VOA: special.2009.02.24

Imagine a swimmer in water over his head You are in deep water when you are facing a problem that you do not have the ability to solve.

VOA: special.2009.05.10

When you put a small seedling in, the roots are not deep enough to go into that water reservoir, so we need to bring the water up to the plant."

VOA: special.2011.06.14

Without water, life in the desert is not possible.

VOA: special.2009.08.12

Malaria,diarrhea,and typhoid- water-related diseases that are not fatal in First World countries- cause half of the child deaths in Yemen.

VOA: standard.2010.04.01

Louisiana officials say the risks come not just from oil, but from chemical dispersants being sprayed in the water.

VOA: standard.2010.06.01

But the Mahmouds, like many other Palestinian families in the West Bank do not have access to much of the water in the ground beneath them.

VOA: standard.2009.08.01

In developing countries, the main source of water pollution is not stormwater,but waste water.

VOA: standard.2010.08.04

"It flowed in with the various tides." "We're not necessarily seeing anything out in the open water, but then it comes and mixes in with the grass.

VOA: standard.2010.06.01

"I am not worried about quality at all. Because again I count on not only on the regulatory agencies that determine the quality of the water in which these products are grown.

VOA: standard.2010.05.08

In Yemen's ancient villages, where most of the people in the country live, there is often not a lot- not a lot of money, not a lot of water, and not a lot to do.

VOA: standard.2010.04.01

There is a lack of regular running water in several areas, while doctors at the local hospital admit they do not always provide blood to patients that is tested for the HIV virus that causes AIDS.

VOA: standard.2010.02.14

"But President Obama is starting to show that he is not quite as popular, or that he does not walk on water in the way that many people thought at the beginning of his term and his popularity has come down."

VOA: standard.2009.10.23