dredged是什么意思？

dredged

• v. 疏浚( dredge的过去式和过去分词 )，清淤，挖掘，（用面粉、糖等）撒；

例句

• The police dredged up the parcel from the muddy river. 警方从浑浊的河水中捞出包裹.
• Section 404 requires permits for the discharge of dredged or fill material. 第404条要求对排放那些疏浚和填充材料予以限制.
• The excavators have dredged up nothing but mud. 发掘者只挖出了一些泥.

柯林斯高阶英汉双解学习词典释义

• VERB
  疏浚;清淤;挖掘
  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.
  例句
  Police have spent weeks dredging the lake but have not found his body. 警方已经花了数周对湖底清淤,但还是没有发现他的尸体。