air pollution

US 
UK 
  • na.大气污染
  • Web空气污染;由于空气污染;空气染污
na.
1.
大气污染

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard