national system

US 
UK 
  • un.国内系统
  • Web国家系统;国民体系;国家体系
un.
1.
国内系统

Sample Sentence

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