key matrix

US 
UK 
  • un.键矩阵
  • Web密钥矩阵;键盘矩阵
un.
1.
键矩阵

Sample Sentence

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