A porous sand layer or sand body filled with oil.

充填了油的多孔砂层或砂体。

youdao

A porous sand layer or sand body charged with natural gas.

充满天然气的多孔隙砂层或砂体。

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When the seam was extracted, water from the sand layer penetrated into some coal faces.

煤层开采后，一些工作面出现了砂层水渗入井下的现象。

youdao

Indeed, by taking several cores, progressively further from the coastal dune, and seeing how far a sand layer extends, he can make a good guess at how powerful a passing hurricane was.

ECONOMIST: Eye on the storm | The

It could be removed later by scraping up the top layer of sand.

ECONOMIST: A slick off America's coast

And a layer of sand at the bottom of my duffel bag.

WSJ: Ali Wentworth on a Solo Vacation to Turks and Caicos | Traveler's Tale