Environmentalists say that diverting water from the river will lower the water table and dry out wells.

环保主义者称引流河水将导致地下水位下降和水井干枯。

Water scooters are a particularly deadly form of water recreation.

水上摩托车是一种特别致命的水上娱乐活动。

Put a frog in the water and start heating the water.

把一只青蛙放到水里，开始加热。

In particularly wet years, short stretches of an otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface.

在气候特别湿润的年月里，平常干涸的河床下游可能会有水流动，因为地下水在那里位抬升到了地表以上。

By whatever means, a lake is constantly gaining water and losing water: its water does not just sit there, or, anyway, not for long.

不管用什么方法，一个湖泊的水总是在不断地增加和减少：它的水不会只是待在那里，或者待很久。

When the glass is filled with water, the water pushes the air out of the glass.

当玻璃杯装满水时，水就会把杯里的空气挤出去。

Every time he went down to try to sip some of the water, the water receded, and anytime he reached up for the grapes, the grapes were pulled back.

每当他弯腰尝试抿些水时，水就退却，每当他伸手摘葡萄时，葡萄就会被拉回来。

Which has a higher boiling point, a quart of water or a gallon of water?

1夸脱水和1加仑水，哪个有更高的沸点？

The total volume of water in the saturated sample must therefore be thought of as consisting of water that can, and water that cannot drain away.

"因此，人们认为充满水分的岩石样本的总含水量既包括可能会渐渐流失的水分，也包括不会流失的水分。

Extracting heat from very hot, dry rocks presents a more difficult problem: the rocks must be fractured to permit the circulation of water, and the water must be provided artificially.

从极热的而干燥的岩石中提取热量，暴露出了一个更加困难的问题：必须击碎岩石以保证水的循环，而水必须是人工提供的。

Water in the vadose zone drains down to the water table, leaving behind a thin coating of water on mineral grains.

包气带中的水会沉降到地下水位，只在矿物颗粒表面留下一层薄薄的水膜。

Water is important because all life needs water.

水很重要，因为所有的生命都需要水。

Hydroponics is not planting them in pure water, in water that has the proper mix of nutrients.

水培法不是把它们种植在纯净水里，而是在适当混合了营养素的水中。

Excess water from irrigation sinks down into the water table.

灌溉产生的多余水分渗入地下水。

Salt water is more buoyant than fresh water.

盐水比淡水浮力大。

Salt water is much more conductive than fresh water is.

盐水比淡水更具有传导性。

To do that, you have to drain the water from the land, move the water elsewhere, and divert the water sources such as rivers.

要做到这一点，我们得把水从土地中排出来，把它移到别的地方，并引导其他水源转向，比如河流。

Even though our earth is rich in water resource, there is still a shortage of water in many places because ocean water can't be used directly.

尽管地球的水资源丰富，但由于海水不能直接被利用，所以仍有许多地方缺水。

You could pay to have a company deliver large bulky plastic bottles of water for the water cooler.

你可以花钱请公司运送用于饮水机的大型塑料瓶水。

She stood outside with a water jug and served water to pedestrians every day for the next several weeks.

在接下来的几周里，她都拿着水壶站在外面，每天给行人提供水。

Carry a water bottle with you and drink water every fifteen minutes.

随身携带一个水瓶，每十五分钟喝一次水。

In developed countries such as the United States and some countries in Europe, laws about safe water are often stricter for tap water than for bottled water.

在发达国家如美国和一些欧洲国家，关于安全用水的法律通常对自来水比对瓶装水更严格。

These vents on the ocean floor, they release this incredibly hot water, 3 to 4 times the temperature that you boil water at, because this water has been heated deep within the Earth.

海底的这些喷口会释放出温度高得难以置信的热水，温度比开水还要高3到4倍，因为这些水是在地球深处加热的。

We purify the water we drink with a water filter designed for the astronauts' use in space.

我们用滤水器净化饮用水，而滤水器是专为航天员在太空中使用而设计的。

We use water to water flower.

我们用水浇花。

One of these is the subtraction of water from the ocean by means of evaporation—conversion of liquid water to water vapor.

其中之一是通过蒸发的方式，把液态水转化为水蒸气——来减少海洋中的水分。

Water clocks used water to measure time at night.

晚上用水钟来计时。

Wash your clothes in warm or cold water, not hot water.

用温水或冷水洗衣服，不要用热水。

Water scooters are water vehicles that look very much like motorcycles.

水上摩托车是一种水上交通工具，它看起来很像摩托车。

Hundreds of dead fish can be seen on the surface of the water because of water pollution.

由于水污染，我们可以在河面上看到数以百计的死鱼。