单词	alluvial
释义	alluvial /əˈl(j)uːvɪəl / adjective Relating to or derived from alluvium: rich alluvial soils... Above these sedimentary rocks is a sequence of interbedded alluvial floodplain deposits and palaeosols. A tube containing 6 grams of alluvial gold from the Cernavaia River also has a bicolor character. Silicate minerals constitute most alluvial sediment on Earth. Rhymes diluvial, fluvial, pluvial
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