水从屋顶倾泻下来，加速了对房屋内部的侵蚀。
Water pours through the roof, encouraging rot to eat away the interior of the house.
随之而来的通常是土壤变干燥和加速的侵蚀。
This is usually followed by the drying of the soil and accelerated erosion.
起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
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