SYDNEY: An ancient river system buried 35 metres below the sand dunes Simpson Desert in Central Australia has been revealed by a team of Australian and American researchers.

悉尼：一个美国和澳大利亚的联合研究小组，在澳大利亚辛普森沙漠的沙丘下35米，发现了一条古老的河道网。

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Currently most of its terrain is made up of desert plains and sand dunes with some savanna around the Niger river.

该国的主要地形是沙漠平原和沙丘，还有环绕尼日尔河的一个大草原。

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The Garden Isle has no shortage of beach for those seeking sun and sand. The River Estate isn't cheap, but it's a dreamy slice of tropical paradise that will not disappoint.

夏威夷 考艾岛的河上宅邸 这个花园小岛上不乏沙滩和阳光，河上宅邸价格不菲，但它是你梦中的热带天堂，决不会让你失望。

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The cassiterite makes up some fraction of the standard sand and river silt there.

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The industry uses regulated amounts of water from the Athabasca River to separate bitumen from the sand.

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When you go to the west of the Mississippi River, they're actually going to have to take sand from offshore, actually deposit it on the seabed and then retransmit it to make the berms on the islands.

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