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河流是人类的母亲,是文明的发源地。众所周知的世界四大文明都源于河流:中国文明源于长江、黄河;印度文明源于印度河;埃及文明源于尼罗
The river is the mother of mankind and the birthplace of civilization. The four well-known civilizations in the world originate from the rivers: the Chinese civilization originates from the Yangtze and the Yellow River; the Indian civilization originates from the Indus; the Egyptian civilization originates from the Nile