civil defense

US 
UK 
  • un.人防工程;民防
  • Web民防系统;民事防护;民防局
un.
1.
人防工程
2.
民防

Sample Sentence

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