civil aviation

US 
UK 
  • na.民用航空
  • Web民航;中国民用航空总局;民航飞行
na.
1.
民用航空

Sample Sentence

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