"At some level,debates like this never really end. Like,there are still people who believe that fluoride in water is a government plot."

VOA: standard.2010.03.23

Separating our water supply from sewage and learning how to do wastewater treatment was a really important part of reducing infectious diseases.

把净水和污水分开,以及学会污水处理的方法,是减少感染性疾病传播方法中的重要部分

耶鲁公开课 - 生物医学工程探索课程节选

Here's a really simple example. Mixing of oil and water.

这有一个很简单的例子，水和油的混合。

麻省理工公开课 - 热力学与动力学课程节选

Other developing countries also face problems with inequitable pricing and raw water shortages - which is what really keeps communities from having clean,piped water.

VOA: standard.2010.08.04

Lent is you give up one thing, so I tend to give up sugar and meat during that month. For the entire time, listen it doesn't compare to Ramadan, where you really have no water.

在大斋期，你要放弃一样东西,因此我在那个月不吃糖和肉，但是这和，赖买丹月无法相比，因为在赖买丹月你甚至都没水喝。

普林斯顿公开课 - 人性课程节选

From what we can tell, other than one fire engine distributing water, there's really no presence of any government or other internationalaid groups here.

VOA: standard.2010.01.14

A kilocalorie, and this is really what we--when people talk about calories, how many calories in food, it's really kilocalories that they're referring to, but that would be the energy required to raise a kilogram of water one degree centigrade.

一千卡,是人们讨论卡路时是真正用的单位,当提起食物中的热量,人们指的是多少千卡,一千卡,是将一千克水提升1℃所需要的热量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It was the center of their universe. And it was called the 'hydraulic city' because it had really remarkably massive arrays of barays, which are these giant water tanks and a series of canals and interconnected waterways that was really unparalleled in the ancient world in that part of the world."

VOA: standard.2010.04.05

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

And I was out there and the only place you could really get water, except for a few drinking fountains, were from the Evian booths and it talks on-- sand o three fifty for a bottle of water, which is pretty typical of these places, but what was interesting was the fact that this is shipped in from France.

我也去看了,除了几个饮水机之外,唯一可以喝到水的地方,就是依云矿泉水的摊位,而它的一瓶水要3.5美元,这种地方通常都是这个价,但有意思的是,这是由法国进口的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选