素有“南半球之星”美誉的澳大利亚是世界上最大的岛屿之国,不仅有“世界活化石博物馆”、“骑在羊背上的国家”、“坐在矿车上的国家”之称,而且由于其物种特有性极高,使得澳大利亚具有极其优越的自然禀赋。但同时,由于气候干旱且蒸发量大,澳大利亚又是一个极度缺水 Australia, known as the “star of the Southern Hemisphere,” is the largest island nation in the world. It has not only the World Living Fossil Museum, but also the country riding on the back of a sheep. Of the country, "and because of its extremely high species specificity, makes Australia has extremely superior natural endowments. But at the same time, Australia is again suffering from extreme water shortages due to its dry climate and large evaporation