It resembles a statue of marble which stands in the desert and is continuously threatened with burial by the shifting-sand.

它就像树立在沙漠里的一座大理石雕像，随时承受着被流沙埋藏的威胁。

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The oyster dutifully coats the little marble with anouter layer of pearl and much time is saved not having to grow each pearl upfrom the size of a sand grain.

牡蛎会尽职尽忠地为自己腹中的小珠子包裹上一层又一层的珍珠质。 比起那些要从小沙粒开始慢慢成长的珍珠，人工的方法明显会节省很多时间。

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An emigre returning after several years away says a gentle change is blowing across the country, like the wind that deposits black sand from the Karakum desert over Niyazov's white marble capital.

一个离开几年的流亡者回来说，温和的改变正在发生，就象是风把卡拉库姆沙漠的黑色的沙吹到niyazov的白色大理石首都。

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According to his company's website, Mr Dini's industrial sized 3D printer uses sand and a special binding agent to create a "marble like material" stronger than cement.

BBC: Landscape House

Described as a "mega-scale free form printer" by its makers, the massive aluminum structure uses sand, which it forms back into a material that's like marble.

CNN: Architect to build home using 3-D printer