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national security

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UK 
  • n.〔政〕国家安全
  • Web国安;国家保安;国家机密
n.
1.
〔政〕国家安全

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