过往沙漠的南部边界比现在的边界更靠北，而半干旱的草原和较浅的淡水湖泊覆盖了现在干旱平原的大部分地区。
The southern frontier of the desert was far to the north of where it is now, while semiarid grassland and shallow freshwater lakes covered much of what are now arid plains.
没有灌溉的保证，没有任何农作物能够在这个墨累河与马兰比季河的交汇处南威尔士，这片西南部的干旱平原生长。
Without irrigation, no crops would grow in the dry plains of south-western New south Wales, where the Murrumbidgee meets the Murray.
在玻利维亚干旱的高山平原，种植藜麦已有数千年历史，它现在常被误认作是一种谷物，实际这是一种藜科植物，与甜菜与菠菜之类作物相近。
Quinoa, domesticated thousands of years ago on Bolivia's arid high mountain plains and now often misrepresented as a grain, is actually a chenopod, related to species like beets and spinach.
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