trawling

例句:

• They had seen him trawling and therefore knew that there were fish.
  他们曾见过他用拖网捕鱼，因此知道那里有鱼。
  
• The boat were out trawling the bay.
  渔船已出海,在海湾用拖网捕鱼.
  
• A team of officers is trawling through the records of thousands of petty thieves.
  一组警员正在翻查数以千计的小偷小摸者的犯罪记录。
  
• Trawling the market to find out who does what particularly well.
  来自Management Today
• Trawling Twitter Building an app to run a city can be costly.
  来自BBC
• We have an amount of CCTV evidence which we are currently trawling through.
  来自THETIMES