sewerage [ˈsuərɪdʒ]

例句:

• I didn't think something like sewerage would "char".
  来自SA
• Our town has a modern sewerage system.
  我们城镇有一个现代化的下水道系统.
  
• It is supposed to be washed down the gutter and into the city's vast sewerage system.
  它应该是被沿排水沟冲入城市庞大的排水系统。
  
• The town has already put in a proper sewerage system.
  小镇已经安装了合理的污水处理系统。
  
• Regional water companies are responsible for water and sewerage.
  来自BBC
• We consider it normal to pay for sewerage treatment.
  来自SA