dredgers是什么意思？

dredgers

• n. 挖泥船( dredger的名词复数 )，撒粉器；

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  挖泥船;疏浚船
  A dredger is a boat which is fitted with a special machine that is used to increase the size of harbours, rivers, and canals.