这几乎是世界人口的五分之一。
他们的人口占世界人口的五分之一。
Their population is a fifth of the current total world population.
我国是个人口众多的国家，多到占了世界人口的五分之一。
Our country is a great one; the population is so large that it is almost one-fifth population in the world.
12亿左右的人口，约占世界人口的五分之一，生活在缺水地区(见地图)。
Some 1.2 billion people, about a fifth of the world's population, live in places that are short of water (see map).
袁为中国创造出了一个伟大奇迹——用世界不到9%的土地养活了近五分之一的世界人口。
Yuan helped China work a great wonder—feeding nearly one-fifth of the world's population with less than 9% of the world's total farmland,
大约有12亿人，即世界人口的近五分之一，生活在物理性缺水地区，另有5亿人正在接近这一境况。
Around 1.2 billion people, or almost one-fifth of the world's population, live in areas of physical water scarcity, and 500 million people are approaching this situation.
大约有12亿人，即世界人口的近五分之一，生活在物理性缺水地区，另有5亿人正在接近这一境况。
Around 1.2 billion people, or almost one-fifth of the world's population, live in areas of physical water scarcity, and 500 million people are approaching this situation.
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