1.  dredge
2.  sweep
3.  scouring

• 1. 疏浚: Dredging
• 2. 疏浚工程: dredging works | dredging engineering | dredging projects
• 3. 河道疏浚: training of river channel | River Dredging | river channel dredging

更多释义

• 1.他们正在疏浚港湾以便大船驶入。
  They're dredging the harbour so that larger ships can use it.
  dict.yoduao.com
• 2.通过疏浚保持河道的深度。
  The depth of the river is maintained by dredging.
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• 3.疏浚将在接下来数年中持续，直至这条河中没有PC B物质。
  Dredging will continue over the next few years, after which the river should be PCB-free.
  dict.yoduao.com

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