令人惊讶的是，干旱地区拥有着世界上最大的一些河流系统，如澳大利亚的墨累-达令河、北美的里奥格兰德河、亚洲的印度河和非洲的尼罗河。
Arid lands, surprisingly, contain some of the world's largest river systems, such as the Murray-Darling in Australia, the Rio Grande in North America, the Indus in Asia, and the Nile in Africa.
全球其它大河也在面临同样的情况，其中包括澳大利亚的墨累河，美国的科罗拉多河，以及西班牙和葡萄牙的塔霍河。
The level of the Yangtse river is falling. Other important rivers around the world are suffering in the same way: the Murray in Australia, the Colorado in the us, the Tagus in Spain and Portugal.
他们中最流行的典范是澳大利亚墨累达令盆地，该地现已使农民能禁得起可怕的干旱而使其农业生产不受影响。
Their most fashionable exemplar is the Murray-Darling basin in Australia, where they have enabled farmers to withstand a fearsome drought without much impact on agricultural production.
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