airport security

US 
UK 
  • un.机场保安措施
  • Web机场安检;机场安全;机场治安
un.
1.
机场保安措施

Sample Sentence

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