| 单词 | alluvial |
| 释义 | Related topics: Geographyal·lu·vi·al /əˈluːviəl/ adjective [usually before noun] technical SGmade of soil left by rivers, lakes, floods etc 冲积的，淤积的 alluvial flood plains 冲积泛滥平原Examples from the Corpusalluvial• Much of this development has involved sugar-cane cultivation on sloping terrain in contrast to its confinement to flat alluvial areas prior to 1960.• The walls were mostly slate, apparently quite normal, grained rock produced by a perfectly standard physical process of alluvial deposition.• an alluvial plain• Carrying alluvial sands from the Rocky Mountains, they helped make the plains.• MAREUIL-SUR-Af: Belemnite chalk on the slopes beneath Mutigny, alluvial soil approaching Mareuil-sur-Aÿ itself.• The alluvial soil on which the city stood was frozen all year round but thawed a few feet down during the summer.• He loved the smell of the woods, and the damp alluvial soil that covered these mountains like a blanket.• Mineral alluvial soils have an A horizon and the effects of gleying can be present.• Saline alluvial soils have high levels of exchangeable sodium and the effects of gleying are clearly evident.al·lu·vi·al adjectiveChineseSyllable by made lakes, Corpus etc of rivers, soil left floods |
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