单词	aggrade
释义	aggrade verb ag·​grade ə-ˈgrād, a- -ed/-ing/-s transitive verb : to fill with detrital material silt has aggraded the river bed and waterlogged it for a hundred miles Erna Fergusson intransitive verb : to build up by aggradation meltwater streams were aggrading beyond the moraines R. J. Lougee Word History Etymology ad- + -grade (as in degrade entry 1) First Known Use 1893, in the meaning defined at transitive sense
随便看	burd-alane burdashes Burdekin duck Burdekin plum Burdekin vine burden burden of proof Burden's grass burdened burdeners burdening burdenless burdenman burdenmen burdenous burdens burdensome burdensomely burdensomeness burdensomenesses burdie burdies burdock burdock root burdocks

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