Experts say even a two percent drop in the body's water supply can cause signs of dehydration.

VOA: special.2010.07.27

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

If you're expecting to be attacked and besieged, as all these citadels would be by an invader, you would want more than anything else a water supply, but they didn't necessarily have good water supplies in such circumstances.

如果你预料到会被攻击和包围,就像这些城邦面对侵略者那样,你最关心的一定是水源供应,但在这样的情况下,他们未必能找到充足的水源

耶鲁公开课 - 古希腊历史简介课程节选

She studied communities like farmers in Southern California who depended on a common water supply.

VOA: special.2009.10.16

But they spent a lot of time, energy, and money on being sure that they would have a supply of water to hold them for a long siege.

他们花费了大量的时间,精力,和金钱来确保,在长期的围城中他们可以获得足够的水源

耶鲁公开课 - 古希腊历史简介课程节选

They had a good water supply in Frijoles Creek and fertile land for growing crops.

VOA: special.2010.07.05

A storm destroyed his house in 2007, he says.And worse, storm surges have tainted the water supply with salt.

VOA: standard.2009.12.21

The U.S.Army Corps of Engineers has helped restore the water supply, although residents are being urged to boil their water.

VOA: standard.2009.10.06

The French-run PT Palyja, one of two private companies that control Jakarta's water supply, provides only a communal tank for the local residents to use.

VOA: standard.2010.08.04

There are rules for companies that supply utilities like electricity and water to let competitors use their wires or pipes.

VOA: special.2010.03.19

NASA was worried that the extra water could destroy the power supply needed for the spacecraft's return to Earth.

VOA: special.2009.06.24

"When solar panels supply both hot water and space heating, the goal of zero emissions begins to look achievable."

VOA: special.2009.03.25

Later an agreement was signed with Mexico to supply it with water from the Colorado River.

VOA: special.2009.08.12

Food and water were in limited supply.

VOA: special.2009.08.10

He says supply shortages and badly maintained pipes keep water from getting where it is needed.

VOA: standard.2010.08.04

Local police officials say the two soldiers were swept away Wednesday while trying to save supply boxes that fell into the water after being air-dropped.

VOA: standard.2009.11.07