single level

US 
UK 
  • un.个别能级
  • Web单层;单级法;直接地址
un.
1.
个别能级

Sample Sentence

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