Running water is one of the principal causes of soil erosion. 奔流不断的水是侵蚀土壤的主要原因。
As this excess water ran rapidly over the surface of the ground , it eroded soil and carried dissolved nutrients out of the deforested site. 当过量的水快速流过地表时会侵蚀土壤与带走位于去森林化之处的可溶性营养物。
