| 释义 | aggradeenUK
 ag·gradeA0140600 (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·da′tion (ăg′rə-dā′shən) n.ag′gra·da′tion·al adj.
 aggrade(əˈɡreɪd) vb (Geological Science) (tr) to build up the level of (any land surface) by the deposition of sediment. Compare degrade4 aggradation nag•grade(əˈgreɪd)
 v.t.  -grad•ed, -grad•ing.  to raise the grade or level of (a river valley, a stream bed, etc.) by depositing detritus, sediment, or the like. Compare degrade.  [1895–1900]  ag•gra•da•tion  (ˌæg rəˈdeɪ ʃən)  n.    ag`gra•da′tion•al, adj.
 aggradePast participle: aggraded
 Gerund: aggrading
 
 | Present | 
|---|
 | I aggrade |  | you aggrade |  | he/she/it aggrades |  | we aggrade |  | you aggrade |  | they aggrade | 
 | Preterite | 
|---|
 | I aggraded |  | you aggraded |  | he/she/it aggraded |  | we aggraded |  | you aggraded |  | they aggraded | 
 | Present Continuous | 
|---|
 | I am aggrading |  | you are aggrading |  | he/she/it is aggrading |  | we are aggrading |  | you are aggrading |  | they are aggrading | 
 | Present Perfect | 
|---|
 | I have aggraded |  | you have aggraded |  | he/she/it has aggraded |  | we have aggraded |  | you have aggraded |  | they have aggraded | 
 | Past Continuous | 
|---|
 | I was aggrading |  | you were aggrading |  | he/she/it was aggrading |  | we were aggrading |  | you were aggrading |  | they were aggrading | 
 | Past Perfect | 
|---|
 | I had aggraded |  | you had aggraded |  | he/she/it had aggraded |  | we had aggraded |  | you had aggraded |  | they had aggraded | 
 | Future | 
|---|
 | I will aggrade |  | you will aggrade |  | he/she/it will aggrade |  | we will aggrade |  | you will aggrade |  | they will aggrade | 
 | Future Perfect | 
|---|
 | I will have aggraded |  | you will have aggraded |  | he/she/it will have aggraded |  | we will have aggraded |  | you will have aggraded |  | they will have aggraded | 
 | Future Continuous | 
|---|
 | I will be aggrading |  | you will be aggrading |  | he/she/it will be aggrading |  | we will be aggrading |  | you will be aggrading |  | they will be aggrading | 
 | Present Perfect Continuous | 
|---|
 | I have been aggrading |  | you have been aggrading |  | he/she/it has been aggrading |  | we have been aggrading |  | you have been aggrading |  | they have been aggrading | 
 | Future Perfect Continuous | 
|---|
 | I will have been aggrading |  | you will have been aggrading |  | he/she/it will have been aggrading |  | we will have been aggrading |  | you will have been aggrading |  | they will have been aggrading | 
 | Past Perfect Continuous | 
|---|
 | I had been aggrading |  | you had been aggrading |  | he/she/it had been aggrading |  | we had been aggrading |  | you had been aggrading |  | they had been aggrading | 
 | Conditional | 
|---|
 | I would aggrade |  | you would aggrade |  | he/she/it would aggrade |  | we would aggrade |  | you would aggrade |  | they would aggrade | 
 Thesaurus| Past Conditional | 
|---|
 | I would have aggraded |  | you would have aggraded |  | he/she/it would have aggraded |  | we would have aggraded |  | you would have aggraded |  | they would have aggraded | 
 | Verb | 1. |  aggrade - build up to a level by depositing sedimentgrade - level to the right gradientdegrade - reduce the level of land, as by erosion | 
 aggradeenUK
 Antonyms for aggradeverb build up to a level by depositing sedimentRelated WordsAntonyms |