The World Health Organization says more than one billion people live in areas where renewable water resources are not available.

VOA: special.2010.04.05

So, we see the building of water holders in these places; there's a very striking one.

所以,我们在这些地方看到了蓄水建筑,有一个很惊人的蓄水池

耶鲁公开课 - 古希腊历史简介课程节选

It involves a stone, a piece of lapis lazuli that has a kind of a flaw in it, which is like a "water-course," and where one can imagine a pilgrim climbing toward increased enlightenment.

提到了一块石头,一块有瑕疵的青金石，就像河道“,我们可以想象,一个朝圣者慢慢靠近神启。

耶鲁公开课 - 文学理论导论课程节选

However,each time a plant takes in one molecule of carbon dioxide gas, it loses hundreds of water molecules.

VOA: special.2010.01.26

And that's all that's big enough to pass through or small enough to pass through. And if we go up even just one row on the periodic table to potassium, what we actually see is now that it's going to be too large, and, in fact, a potassium solvated with one water molecule won't go through our channel.

就是这样刚好大到它通过,或者说刚好小到它通过,即使我们再沿着周期表往下走仅仅一行到钾离子，我们看到的就将是它的个头太大了，实际上，溶解于一个水分子的单个钾离子,不能穿过我们的通道。

麻省理工公开课 - 化学原理课程节选

On one recent day, one thousand five hundred sea urchins got a new home in deeper water.

VOA: special.2009.08.25

You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.

要知道它是不是平衡的，你还需要知道,你的系统中有多少组分,一杯放了冰块的水，虽然它是个非均匀系统，但它只有一种组分，那就是水。

麻省理工公开课 - 热力学与动力学课程节选

About seventy-six centimeters of dry snow equals the water in two and one-half centimeters of rain.

VOA: special.2011.01.11

Well a calorie technically--and this is again, not something that we would ever quiz you on but I just thought you might be interested to know-- that it's the energy required to raise one gram of water one degree centigrade, and we'll talk in a minute about you might go about measuring that.

理论上一卡路里,我重复下,这不是考试内容,但我想你们会感兴趣,一卡路里,是将一克水提升1℃所需要的热量,过会儿我们会讲如何测量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Next,place the cans again in water and heat the water to one hundred degrees Celsius.

VOA: special.2010.07.19

one photo shows a street light reflected in water on a stone pathway.

VOA: special.2009.11.20

The expression to be in hot water is one of them.

VOA: special.2009.05.10

The very top of the wire drawing represents the only part of the ocean landscape that can be seen on the surface of the water: It is Bouvet Island, one of the most isolated islands in the world.

VOA: special.2009.05.06

Water flowing from an open tap is a luxury for only a few people in Penjaringan, one of Jakarta's densest neighborhoods.

VOA: standard.2010.08.04

Water is one of the issues that are supposed to be dealt with in final status negotiations.

VOA: standard.2009.08.01

That is one of our allies is the fresh water holding the oil out in the open water as opposed to coming into the isle marshes and stuff."

VOA: standard.2010.05.09

Israeli officials say one way they are trying to ease water shortages in the West Bank is by pushing a project along with Jordan to channel water from the Red Sea to the Dead Sea.

VOA: standard.2009.08.01