vt.清淤,疏浚(河道等),挖掘(泥土等),使显露,捞取,(用面粉、糖等)撒
vi.疏浚,挖掘,采捞
n.挖泥机,疏浚机,(采牡蛎,捕鱼等用的)拖网,捞网,悬浮矿石
They have to dredge the canal so that ships can use it.
他们须疏浚运河河道轮船方可通航.
I wouldn't want to dredge up the past.
我不想重提往事。
He managed to dredge up a smile.
他勉强笑了笑.