The lava lake and the volcano's crater has been dropping for weeks now and officials are concerned that that could lead to a phreatic eruption, when steam from ground water builds up and causes an explosion.

熔岩湖火山的火山口已经下降了几个星期了，政府官员们担心，当自地下的蒸汽积并引爆炸时，可能导致潜水喷发。

This water became radioactive, contaminated in the process and some of it seeped into damaged tunnels and basements and mixed in with ground water.

这些冷却水在反应过程中被核辐射污染，具有放射性，其中部分核废水渗入受损的管道地下设备，并渗入地质层。

Experts say nearby construction projects and the removal of ground water contributed to the problem.

专家称，是附近的建筑项目清除地下水造成的。

These breaks permit gases and ground water to pass through the rock.

这些裂缝允许气体地下水通过岩石。

We pump the ground water up onto the hills.

我们把地下水抽到山上。

Southern California still has low ground water levels.

南加利福尼亚的地下水位仍然很低。

" There's not a lot of ground water. The dams are still empty, basically" .

" 地下水不多。大坝基本上还是空的。"

These materials can enter the ground water and make their way into the ocean.

这些物质可以进入地下水源中，然后进入海洋。

We've been able to determine that the ground water system we've discovered dates from around 3.5 billion years ago, but we don't know when or how the basins dried up.

我们已经确定，我们发现的地下水系可追溯到大35前，但是我们不知道这些盆地什么时候干涸，以及如何干涸。"

What worried us the most was that the entire mass would sink down and reach the ground water, which then would pollute the rivers Pripyat, then Dniepre, Kiev. The Black Sea.

我们最担心的是所有岩浆都往下沉 直达地下水处 这将污染普里皮亚季的河流 然后是聂伯河、基辅、还有黑海。

" It's helped a lot, but there's a long way to go, " Galloway said. " There's not a lot of ground water. The dams are still empty, basically" .

" 这帮了大忙，不过未还有很长的路要走。" " 当地的地下水资源有限。大坝基本上还是干涸状态。"

And when those crystals start sticking to each other and falling on the ground, water vapor freezes and sticks on them, building new crystals.

当这些晶体开始粘在一并落向地面时，水蒸气在它们上面继续凝结，形成新的晶体。

Many of the city's millions of people take ground water from wells because the water pipe system does not serve all areas.

在该市的数百万人口中，许多人从井里取水，因为水管系统并不能为所有的地区服务。

Well, normally we test stuff like soil samples and ground water, but sure, I can do it. What are you looking for?

呃 通常说 我们检测的都是像土壤样本啊 地下水啊之类的东西，但没问题 我可以帮你测 你要查什么成分?

Jakarta has been slowly sinking. A main cause is the amount of ground water being drawn out from under the city.

雅加达一直在缓慢下沉。其中一个主因是城市下面大量的地下水从被抽出。

Jakarta is sinking. The main cause is that too much of the city's ground water has been pumped out.

因为雅加达在不断下沉。主要原因是，该市的地下水被过度抽取。

Any leaching from a landfill pit will create recurring difficulties in polluting a farmer's well and the ground water.

填埋坑的任何渗漏，都会污染农民的水井地下水而引不断的麻烦。

It's used for everything from bathing to industry and when ground water's removed the earth above it sinks.

从洗澡到工业生产，地下水被抽走，上面的土地就会下沉。

The World Wildlife Fund says there are thousands of wells in the area taking ground water without permission.

世界野生动物基金会表示，该地区有数千口井未经许可抽取地下水。

Jakarta has been slowly sinking. Large amounts of ground water have been extracted from under the city.

雅加达正在缓缓下沉。很大一部分地下水都抽出了。