ag·grade 
(ə-grād)
(ə-grād)tr.v. ag·grad·ed, ag·grad·ing, ag·grades
To fill and raise the level of (the bed of a stream) by deposition of sediment.
ag′gra·dation (ăg′rə-dāshən) n.
ag′gra·dation·al adj.
| 单词 | aggrade |
| 释义 | ag·grade (ə-grād)tr.v. ag·grad·ed, ag·grad·ing, ag·grades To fill and raise the level of (the bed of a stream) by deposition of sediment. ag′gra·dation (ăg′rə-dāshən) n. ag′gra·dation·al adj. |
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