dredge
柯林斯词典
1. V-T When people dredge a harbour, river, or other area of water, they remove mud and unwanted material from the bottom with a special machine in order to make it deeper or to look for something. 清淤; 挖掘
Police have spent weeks dredging the lake but have not found his body. 警察已經花了幾周時間在湖裡打撈，但是仍未發現他的屍躰。
2. N a machine, in the form of a bucket ladder, grab, or suction device, used to remove material from a riverbed, channel, etc 挖泥機 (Also called dredger)
3. V to sprinkle or coat (food) with flour, sugar, etc 給(食物)撒上麪粉、糖等
返回 dredge
dredge /drɛdʒ/ (dredging,dredged,dredges)
剑桥词典
dredge verb [T] (REMOVE)
to remove unwanted things from the bottom of a river , lake , etc. using a boat or special device
爲…清淤，疏濬
They have to dredge the canal regularly to keep it open . 爲了保持運河的暢通他們必須定期進行清淤作業。
to search an area of water by dredging
（通過清淤）搜索，打撈
The police are dredging the lake for his body . 警方在湖中打撈他的屍躰。
They dredged up (= brought to the surface ) all sorts of rubbish from the bottom of the river . 他們從河底撈出了各種各樣的垃圾。
dredge verb [T] (FOOD)
to drop flour , sugar , etc. over food
在…上撒（麪粉，蔗糖等）
Lightly dredge the cake with icing sugar . 在蛋糕上薄薄地撒一層糖霜。