英语词汇“aggradational”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	aggradational
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ag•grade (ə grād′),USA pronunciation v.t., -grad•ed, -grad•ing. [Phys. Geog.] Geographyto raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like. Cf. degrade. 1895–1900; ag- + grade ag•gra•da•tion (ag′rə dā′shən),USA pronunciation n. ag′gra•da′tion•al, adj.
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