user groups is user group's Plural Form

user group

US 
UK 
  • un.用户集团;用户群
  • Web用户组;用户群组;用户小组
Plural Form:user groups  

Sample Sentence

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