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. 警察已经花了几周时间在湖里打捞，但是仍未发现他的尸体。
2. N a machine, in the form of a bucket ladder, grab, or suction device, used to remove material from a riverbed, channel, etc 挖泥机 (Also called dredger)
3. V to sprinkle or coat (food) with flour, sugar, etc 给(食物)撒上面粉、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
为…清淤，疏浚
They have to dredge the canal regularly to keep it open . 为了保持运河的畅通他们必须定期进行清淤作业。
to search an area of water by dredging
（通过清淤）搜索，打捞
The police are dredging the lake for his body . 警方在湖中打捞他的尸体。
They dredged up (= brought to the surface ) all sorts of rubbish from the bottom of the river . 他们从河底捞出了各种各样的垃圾。
dredge verb [T] (FOOD)
to drop flour , sugar , etc. over food
在…上撒（面粉，蔗糖等）
Lightly dredge the cake with icing sugar . 在蛋糕上薄薄地撒一层糖霜。