filtration [fɪlˈtreʃən]

例句:

• This enzyme would make the filtration of beer easier.
  这种酶会使啤酒更容易过滤。
  
• The filtration system provides the crew with clean air free from fumes.
  过滤系统使得全体人员能够呼吸到没有烟雾的清新空气。
  
• Water can be purified by filtration through sand.
  水通过沙滤可以变清.
  
• It is impossible to remove it entirely with filtration.
  来自SA
• Just in terms for example, water filtration.
  来自SA
• The filtration system is very much like a tea bag.
  来自VOA