useful life

US 
UK 
  • na.有效期限
  • Web使用寿命;有效寿命;有用寿命
na.
1.
有效期限,使用寿命

Sample Sentence

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