地下水通常聚集在河流流域,但在干旱地区,地下水也可能完全保留在干涸河床的表面之下。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
地下水通常聚集在河流流域,但在干旱地区,地下水也可能完全保留在干涸河床的表面之下。
Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions.
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