If you do, do you find yourself gulping down water when you get thirsty, after spending a morning or afternoon dehydrated?
如果做到了，你是不是发现自己在感到口渴，经历了一早上或者一下午脱水之后才大口喝水呢？
Increased UV light may break down water molecules in the upper atmosphere, reducing cloud formation, says James Russell of Hampton University in Virginia, who was not involved in the study.
美国维吉尼亚州汉普顿大学的詹姆斯·拉塞尔没有参与这次研究，他说，增加的紫外光可能会分解高层大气中的水分子。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里，铈氧化物催化剂可以分解水和二氧化碳。
The water poured down the stairs.
水从楼梯上泻下来。
The water was always laden with pebbles, gravel, and sand, known as glacial outwash, that was deposited as the flow slowed down.
水里总是遍布鹅卵石、砾石和沙子——它们被称为冰水沉积，是在水流减缓时沉积下来的。
The rocks are fractured by water pumped down at very high pressures.
这些岩石是被高压泵入的水击碎的。
Emily falls down in front of the teacher and drops the glass of water in Tony's pants.
艾米丽在老师面前摔了一跤，把杯子里的水倒进了托尼的裤子里。
He might take a clip of a mollusk going up and down in the water and set it to music.
他可能会截取软体动物在水里上上下下的片段，然后配上音乐。
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。
Instead of making a clean break, water evaporating from treetops tugs on the remaining water molecules, with that tug extending from molecule to molecule all the way down to the roots.
从树梢蒸发的水并没有彻底地分解，而是拉住了剩下的水分子，这种拉拽作用从一个分子延伸到另一个分子，一直拉到根部。
Liz sank down until the water came up to her chin and the bubbles were at eye level.
莉兹下沉直到水漫到她的下巴，泡沫到了她眼睛的高度。
Drips of water rolled down the trousers of his uniform.
水珠从他的制服裤子上滚下来。
If your child's temperature rises, sponge her down gently with tepid water.
如果你孩子的体温升高，用湿海绵沾温水轻轻地擦洗她。
Huge pipes funnel the water down the mountainside.
巨大的管道把水沿山坡输送下山。
Water cascaded down the mountainside.
水从山腰倾泻而下。
Excess water from irrigation sinks down into the water table.
灌溉产生的多余水分渗入地下水。
The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.
后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。
It's a diverse environment with water tending to be bluish near the surface and reddish deeper down.
它是一个多样性环境，靠近表面的水趋近蓝色，往下深处是淡红色。
I refused the last but washed down the fruit and vegetables with clear, cold water from a hollowed gourd.
我拒绝了最后一个，但我用一个空葫芦里的清冷水把水果和蔬菜洗了下去。
They're lenses because they're convex vessels, and when they're full of water, they act as a lens and you see the horizon in them, upside down and backwards.
它们是透镜，因为它们是凸面容器，当它们盛满水后，它们可作为透镜使用，你可以看到它们里面上下颠倒的地平线。
When water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.
当水从板下的一个腔中被抽出来产生负压时，可伸缩的传感器被向下拉，形成一个凹形。
The biggest concern of pumping out water from this deep is the gradual settling down of the land surface.
从这么深的地方抽水，最大的问题是地表会逐渐下沉。
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。
Some plants store reserves of water to see them through a drought; others send roots deep down to subsurface water supplies.
有些植物储存水分来使它们度过干旱；另一些则把根深深地扎入地下水源。
If I rotate this faster than in two seconds when the bucket is upside-down if physics works, the water should not fall out.
如果我旋转的速度比桶倒过来的两秒钟还快，要是物理原理成立，水就不会掉出来。
The water is usually naturally occurring groundwater that seeps down along fractures in the rock; less typically, the water is artificially introduced by being pumped down from the surface.
水通常是自然形成的地下水，沿着岩石的裂缝渗出；不那么典型的是，水是通过从地表抽水而人工引入的。
It appears that the shell has to crack open or break down somewhat to allow the seed to soak up water.
看来，为了让种子吸收水分，种子的外壳必须裂开或破裂。
When they get a tern or pelican to drop a fish, they plunge down and grab it off the surface of the water, which may have been how this bird got oiled.
当他们让一只燕鸥或鹈鹕扔下一条鱼时，他们会一头栽到水里，然后把鱼从水面抓起来，这可能就是这只鸟被油弄脏的原因。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
Re-routing Russian rivers to increase cold water flow to ice-forming areas could also be used to slow down warming, say some climate scientists.
一些气候科学家说，为增加流向结冰地区的冷水流量进行的俄罗斯河流改道，也可以用来减缓气候变暖。
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