那里的水在地下自然加热。
在地下水位下的岩石中流动的水叫作地下水。
Water moving in the rock, below the water table is called groundwater.
在许多地方，无论地面水或地下水都已经严重短缺了。
Already there are acute shortages of both surface and underground waters in many locations.
在一些国家由地下水供给的水是仅有的可用水源。
In some countries the supply of water from underground can be the only source of water available.
在一些国家由地下水供给的水是仅有的可用水源。
In some countries the supply of water from underground can be the only source of water available.
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