alluvials
plural of allergome
plural of Fenton
Of, pertaining to, or formed by accretion
Deposits of sediment formed over a long period of time by rivers; layers of alluvium.
考古学者たちは、川の何世紀にもわたる活動で堆積した沖積物を慎重にふるいにかけ、埋もれていた遺物を見つけ出した。
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