speed change

US 
UK 
  • un.变速;速度转换
  • Web速度变化;转速级数;可调转速
un.
1.
变速
2.
速度转换

Sample Sentence

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