causes of erosion 侵蚀成因
Livestock farming also accounts for a lot of carbon dioxide, mostly from forests being cut down for pasture, or when overgrazing and the resulting soil erosion causes a net loss of carbon from soils.
砍伐森林建牧场，以及过度放牧导致土壤中碳含量的净流失等因素都会产生大量的二氧化碳。
The citric acid contained in these beverages also causes dental erosion.
这些饮料中所含的柠檬酸也会导致牙酸蚀病。
Pollution, commercial fishing, coastal erosion, development and poaching are among the causes.
污染，商业捕捞，海岸侵蚀，偷猎等都是造成这种状况的原因。
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