1·Once, people used too much underground water.
过去，人们使用了太多的地下水。
2·People used too much underground water. The temperature has become higher over the years.
人们使用了太多的地下水，这些年来温度变得更高了。
3·Land subsidence has been aggravated by overpumping of underground water and the construction of thousands of high-rise buildings.
过度抽取地下水和建造成千上万的高层建筑加剧了地面沉降。
4·This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone.
这种气体是硫化氢，上升后与石灰岩裂缝中地下水的氧气混合。
5·More than 20,000 apartments in France are now heated by warm underground water drawn from a heat reservoir in a geologic structure near Paris called the Paris Basin.
目前在法国，有超过2万套的公寓是由温暖的地下水供暖的，这些地下水来自一个叫做巴黎盆地的地质构造的热储，位于巴黎附近。
6·Overexploiting underground water will cause land subsidence.
过分的开采地下水，会造成地面下陷。
7·Another is that they migrated there in underground water currents.
还有一种可能就是它们随着地下水流到了那里。
8·Where underground water comes to the surface, there are oases.
地下水流到地表的地方，就成为了绿洲。
9·Underground water that is held in the soil and in pervious rocks.
土壤和能渗透的岩石中含有的地下的水。
10·They were not satisfied that they could not use underground water.
他们对不能使用地下水感到很不满。