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  1. Oxford American Dictionary

    alluvium

    • IPA[əˈlo͞ovēəm]

    美式

    • n.
      a deposit of clay, silt, sand, and gravel left by flowing streams in a river valley or delta, typically producing fertile soil.

    • noun: alluvium, plural noun: alluviums

    • 更多解釋

    alluvium

    • IPA[əˈl(j)uːvɪəm]

    英式

    • n.
      a deposit of clay, silt, and sand left by flowing floodwater in a river valley or delta, ...

    Oxford Dictionary