sump [sʌmp]

例句:

• An attempt was then made to dive the sump.
  之后曾尝试潜入污水坑。
  
• Head for the treacle sump catch and but.
  来自WSJ
• The lower portion of the disc is submerged within an oil sump.
  圆盘下部浸在油池中.
  
• The damaged sump spouted dirty oil.
  受损的油槽里喷出了污浊的原油.
  
• Sounds of sump pumps fill the air in low-lying areas of New York City.
  来自VOA
• Crawling under the sump of our practice tank to the command Measure ground clearance!
  来自NEWYORKER