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水是生命之源。在我们生活的地球上,淡水资源只有全球总水量的2%,其中93%的淡水以冰的形式堆积在寒冷的南北两极,
Water is the source of life. On the planet Earth we live in, freshwater resources account for only 2% of the world’s total water, of which 93% of the freshwater accumulates in the cold north and south poles in the form of ice,