A bed, layer or stratum of sand.
单词 | θ4766 |
释义 | the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > stratum by constitution > sand (3) sand-bed?a1500 A bed, layer or stratum of sand. scalping1747 (See quot. 1747.) sand1849 Geology and Mining. A stratum of sand or soft sandstone. oil sand: see oil sand n. at oil, n.1 compounds 5. |
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