Waterpollution reduces the amount of pure, freshwater that is available for such necessities as drinking and cleaning, and for such activities as swimming and fishing.
水污染使得我们用来饮用和清洗的纯净新鲜的水资源不断减少，用于游泳、垂钓的水源也在减少。
2
Nevada has the lowest level of waterpollution in the country because the generally arid state has very little freshwater to dump toxins into.
因为干旱，该州没有淡水来排放有毒物质的缘故，内华达州是美国水污染最轻的。
3
What's worse, pollution and waste of freshwater aggravate the situation.