The Sahara is a sandy desert with great sand hills.

撒哈拉沙漠是一个沙质沙漠，有很多沙丘。

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Ride a camel across a sandy desert.

骑骆驼穿越沙漠。

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Tropical plants, sandy desert, waterfalls, craters and caves make the 780-square-kilometer park a tourist attraction.

这个780平方公里的公园中，热带植物、沙漠、瀑布、火山坑和岩洞都让游人流连忘返。

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C. and A.D. 500 by brushing away the dark top layer of barren desert to reveal the light, sandy soil underneath, wrote Clive Ruggles, an archaeologist from the University of Leicester in the United Kingdom, in an email.

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One of the Middle East's most scenic and ancient routes, the 280km-long highway is often overlooked in favour of the modern Desert Highway, which marches through Jordan's flat and sandy core in a speedy three and a half hours from the capital, Amman.

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Saharan desert ants of the genus Cataglyphis have to travel long distances to discover food in their impoverished, sandy environment.

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