backwaters

例句:

• This agency will be relegated to the backwaters of Washington.
  这个机构将沦落为华盛顿闭塞落后之地。
  
• It came from the backwaters of the Mississippi Delta.
  它产生于密西西比河三角洲一带.
  
• The bayous and backwaters are breeding grounds for mosquitos.
  小河和死水是蚊子滋生的地方.
  
• Market towns have become provincial backwaters.
  来自BBC
• Secluded backwaters are ideal duck domain, and one tree-dwelling foreigner is multiplying fast here - the exotic mandarin duck.
  来自BBC
• But the phenomenon has emerged from the backwaters in recent years, primarily as a tool for science.
  来自SA