Natural resources of water of average per capita has a quantity to be 2250 stere / person year, be less than the 1/4 of world average level.是什么意思_Natural resources of water of average per capita has a quantity to be 2250 stere / person year, be less than the 1/4 of world average level.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句