ball bearings is ball bearing's Plural Form

ball bearing

US 
UK 
  • n.滚珠轴承;钢珠;轴承
  • Web钢珠轴承;球型轴承;金属轴承
Plural Form:ball bearings  

Sample Sentence

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