C.R.

US 
UK 
  • abbr.(=Costa Rica)
  • Web性比率;镉比;临界比率
abbr.
1.
(=Costa Rica)

Sample Sentence

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