second order

US 
UK 
  • un.次级;第二级次
  • Web二阶;二阶的;第二阶
un.
1.
次级
2.
第二级次

Sample Sentence

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