Water gradually escapes by seepage through the ground.
水逐渐从地上渗走了。
Groundwater is the word used to describe water that saturates the ground, filling all the available spaces.
地下水这个词描述的是水浸透土地，并填充所有可利用的空间。
At first thought it seems incredible that there can be enough space in the "solid" ground underfoot to hold all this water.
乍一想，似乎难以置信的是，在脚下的“坚实”地面上居然有足够的空间来容纳这么多的水。
Then it can pollute the natural water in the ground.
然后它可能会污染地下的天然水。
They have designed a system which pumps up water from nearly 1,000 feet below ground.
他们设计了一个能从地表以下1000英尺处抽水的系统。
The water there is naturally heated under the ground.
那里的水在地下自然加热。
Endogenous rivers often do not reach the sea but drain into inland basins, where the water evaporates or is lost in the ground.
内源河流通常不会流入大海，而是流入内陆盆地；在那里，水会蒸发或流失到地下。
There wasn't enough difference between the height of the ground level and the water level.
地面高度与水位没什么明显的区别。
Bullets will be plucked from biathlon targets and recycled to keep the lead from poisoning ground water.
子弹将从冬季两项的射击目标上取出并回收，以防止铅污染地下水。
He has changed his dry village into a place rich in ground water by planting trees on nearby land for the last 19 years.
在过去的19年里，他通过在附近的土地上植树，把干旱的村庄变成了地下水丰富的地方。
The drizzle and the wet air "water" the ground, which makes the crops and the plants grow.
细雨和潮湿的空气“滋润”了地面，使庄稼和植物生长。
These sounds can travel very far through water or the ground, but it is not possible for humans to hear some of the sounds.
这些声音可以通过水或地面传播很远，但一些声音人类不可能听到。
The water may be in pools or under the ground.
水可能在池子里，也可能在地下。
The water drops that make up fog don't hit the ground.
构成雾的水滴不会落到地面上。
Scientists in China, Russia, and the United States measure radon in ground water.
中国、俄罗斯和美国的科学家测量地下水的氡含量。
Meanwhile, the company that operates the stricken nuclear plant says radioactive contamination in ground water beneath one reactor has been measured at 10, 000 times standard norms.
与此同时，经营受损核电站的公司表示，一座反应堆下的地下水中放射性污染的水平是正常水平的10,000倍。
A huge amount is in polar ice, which adds up to 1.7 per cent. A further 1.7 per cent lies in ground water deep beneath the land's surface.
有大量的淡水存在于两极的冰盖中，占到水总量的1.7%，还有1.7%是地下水。
Major water Supply: Various ground water sources.
主要水源：各种地下水资源。
But because of this very low level tritium getting into the ground water and migrating it shut the laboratory down.
但是由于这个非常低标准的氚，进入到地下水里，迁移了水，关闭了实验室。
But humans aren't the only ones that rely on this valuable resource - numerous plants and animals are sustained by this ground water, many of which are endangered.
但是，不仅仅只有人类依赖于这些宝贵的资源，许多濒临灭绝的动植物也要靠这些地下水维持生命。
Meanwhile, the company that operates the stricken nuclear plant says radioactive contamination in ground water beneath one reactor has been measured at 10,000 times standard norms.
同时，运营受损的核电站的电力公司表示，其中一座反应堆下的地下水中放射性污染的水平是正常标准的10,000倍。
Excess water at the surface is siphoned down to replenish ground water, which is then pumped back up for use as necessary.
地表多余的水被虹吸下去，用于补充地下水，然后地下水被重新抽上来用于必要的用途。
On Mars, subrosion is widely observed when rising magma heats frozen ground water, which melts and removes subsurface material as it flows away.
在火星上，当深处上升熔岩加热融化地下水冰时，基底侵蚀非常常见，因为这些地下水会流失，带走地下物质。
Widespread overgrazing disturbs water cycles, reducing replenishment of above and below ground water resources.
大面积过度放牧扰乱了水循环、减少了地表和地下水资源的补充。
Beijing's ground water is going through a crisis.
北京的地下水正在经历一场危机。
This staff member who doesn't want to publish his name says grass from the golf course needs clean water, so the company introduced ground water to irrigate.
这位不愿透露姓名的职员称，高尔夫球场的草地需要清洁的水，所以公司引入地下水来灌溉。
Previously, MTBE (methyl tertiary-butyl ether) was the oxygenate of choice, but fell out of favour in 2004 when it was found to contaminate ground water.
以前，MTBE（甲基叔丁基醚）曾作为汽油充氧剂，但是，在2004年，人们发现它污染了地下水，所以就不再使用它了。
In the months before, there had been a swarm of small earthquakes, along with changes in ground-water levels and the elevation of local terrain.
几个月之前，就发生了一连串小地震，伴随而来的是地下水水位和当地地形海拔的变化。
Tests on ground water show that levels of uranium around the plants are up to 15 times the World Health Organisation's maximum safe limits.
地下水测试显示植物中的铀含量高达世界卫生组织的最高安全量的15倍。
It's then drained into a nearby water supply, like a river, or pumped into the ground, where it is reintroduced into the below-ground water supply.
此后水就排入附近的供水系统，例如河流，或者泵入地下，再进入地下供水管网。
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