security clearance

US 
UK 
  • na.(对参加机密工作的人进行的)安全调查
  • Web安全检查;安全许可;安全通关证
na.
1.
(对参加机密工作的人进行的)安全调查

Sample Sentence

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