单词 | alluvium |
释义 | al·lu·vi·um ![]() n. pl. al·lu·vi·ums or al·lu·vi·a (-vē-ə) Sediment deposited by flowing water, as in a riverbed, flood plain, or delta. Also called alluvion. [Medieval Latin, flood, from neuter of Latin alluvius, alluvial, from alluere, to wash against; see ALLUVION.] |
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