Think of wetlands as a giant sponge: the earth soaks up a lot of this water that's continually flooding the surface, which increases the amount of water below.
把湿地想象成一块巨大的海绵：地球吸收大量的不断涌向地表的，增加了地表以下水量的这些水。
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。
We all know that though 75% of the earth is covered with water, only 3% of it is fresh water.
我们都知道虽然地球75%都被水覆盖，但是其中只有3%是淡水。
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。
While nearly 3/4 of the earth is covered with water, we are short of drinking water.
虽然地球近四分之三都被水覆盖，但我们依然缺乏饮用水。
Yet our water is all the water Earth has ever had.
但我们现在还不知道地球上到底有多少水。
Likewise, fire, air, water their natural position is with earth in sphere at the center then water then air then fire.
同样道理，火，气，水，的自然状态，便是以球状形式围绕着地球，先是水，再来是气，接着是火。
As it turns out, water on the moon is different from water on Earth.
正如研究结果显示的一样，月球上的水与地球上的水不同。
The demand for water keeps increasing. Yet the amount of water on Earth stays the same.
人类对水的需求不断上升，但地球上水的还是保持不变。
The air imbibes particles of water from all parts of the earth; and thus charged with water it is the same and operates the same as our breath.
大气从地球表面的各个地方吸收水分，于是，空气中就像我们呼出的空气一样携带了水分。
What makes the water on the moon different from water on Earth is that it contains the ingredients for water - hydrogen and oxygen - but is not yet water.
促使月球上的水与地球上的水不同的是月球含有水的成分- - - - - -氢和氧- - - - - -但是还不是水。
Researchers studying rocks brought back by astronauts have found that the moon's scarce water has a different chemical signature than Earth water.
研究人员通过研究宇航员从月球上带回的岩石发现月球上那少得可怜的水其化学成分跟地球上的水不同的。
Any base would need a water supply. If that water did not have to be shipped from Earth, then the cost of establishing one might be brought down from the totally ridiculous to the merely absurd.
任何基地都需要水，如果水供应不在单单依靠从地球运输，建立基地的成本将会从彻底荒谬到有些荒唐。
Researchers studying rocks brought back by astronauts have found that the moon's scarce water has a different chemical signature than Earth water.
通过研究宇航员从月球上带回来的岩石标本，科学家们发现月球上稀少的水资源与地球水资源的化学成分并不相符。
The earth is surrounded by water or largely surrounded by water beyond that we have the sphere of air then fire then the sphere of the moon, mercury, Venus, the sun and so on.
地球被水域所包围，或者是大部分被外围水域所包围，我们拥有大气层，火焰，月亮，水星，金星，太阳等等。
Which usually has a negative slope, except for the two most important substances on Earth, which are water and silicon. So for water and silicon, we have positive slope.
它的斜率一般负的，除了水和水和硅以外，对于水和硅，斜率是正的。
To read more about how satellite data are contributing to water management in Idaho, please see Water Watchers on the Earth Observatory.
要想阅读更多的提供给爱达荷州水源管理局的卫星数据，请前往地球观测网站的Water Watchers页面。
"Since water covers most of the earth, don't dim the sun," says the scientist, Russell Seitz, speaking from an international meeting on geoengineering research here. "Brighten the water."
科学家RussellSeitz在一个关于地球工程的国际会议上指出：“既然地球表面绝大部分是由水覆盖的，不让太阳变暗，那么就让水更亮吧。”
this is when Genesis says, God separated the sea from the dry land and separated the water from the dry land, the water he called sea,the dry land he called earth.
这里《创世纪》说，上帝从旱地里分出了海,从旱地里分出了水，他把水叫做海，把旱地叫做地。
Water is a key to the question of whether life, even in the form of microbes, ever existed on Mars. On Earth, all known forms of life require water.
水是一个是否有生命存在的关键问题，即使是以微生物的形式，火星上和地球上都曾经存在，所有已知的生命都需要水。
Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.
当雨水迅速累积在土地上并且产生了大量被水浸透的岩石，泥土与碎屑时，泥石流就形成了。
When the collected water becomes heavy enough, the water droplet falls to the earth as rain.
水气凝结到一定程度就形成了小水滴，其重量足以使它落到地上，即为雨。
Within the protection zone for a water project, any act of blasting, sinking a well, quarrying rock, and collecting earth, which endangers the safety of the water project, shall be prohibited.
在水工程保护范围内，禁止进行爆破、打井、采石、取土等危害水工程安全的活动。
Though about 75% of the earth is covered with water, only 3% of it is fresh water.
虽然地球75%都被水覆盖，但其中只有3%是淡水。
Water is so important. Nothing can live without it. We should keep our water clean and protect our earth.
水是如此重要。没有什么可以生活没有它。我们应该保持水的清洁保护我们的地球。
Canopy of water overhead and water under the crust of the earth.
地球的上方有水天篷，地球的外壳之下也有水。
Everyone has responsibility of saving water. Saving water means saving our earth that is, saving ourselves.
我们每个人都有节约用水的责任。节约用水就是拯救地球，也就是拯救我们人类自己。
Of the 1.39 billion cubic kilometers (331 million cubic miles) of water on Earth, just a thousandth of 1% exists as water vapor.
地球上约有13.9亿立方千米(约3.31亿立方英里)的水，仅有那1%(约139万立方千米)中的千分之一以水蒸气的形式存在。
Of the 1.39 billion cubic kilometers (331 million cubic miles) of water on Earth, just a thousandth of 1% exists as water vapor.
地球上约有13.9亿立方千米(约3.31亿立方英里)的水，仅有那1%(约139万立方千米)中的千分之一以水蒸气的形式存在。
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