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。
Groundwater is the word used to describe water that saturates the ground, filling all the available spaces.
岩石间细小的破碎是可以储水的，但当地下水被迅速的抽取时，这些岩石会发生坍塌，那么就算以后储水层有水可以再补给，也没有空间再来储存这些水了。
Tiny fractures in rock that can store water sometimes collapse when it's rapidly withdrawn, and then even if the aquifer had water to recharge it, there's no place for it to go.
通过对1998年及2002年地下水样品的分析，得出该地区地下水矿化度在时间与空间上皆存在明显的变异性。
Analysis of groundwater sampling from 1998 to 2002 indicates that the mineralization degree of groundwater varies both temporally and spatially in this area.
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