effective time

US 
UK 
  • un.有效时间
  • Web有效回波时间;有效使用时间;生效时间
un.
1.
有效时间

Sample Sentence

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