科研之友
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<正>Nile(Africa)It is the longest river in Africa.It is also the longest river in the world.It has two major branches,the White Nile and the Blue Nile.尼罗河(非洲)它是非洲最长的河流,它也是世界最长的河流。它有两条主要支流——白尼罗河和蓝尼罗河。Amazon River(South America)It is the longest river in South America.It is also the second longest
