extreme sports is extreme sport's Plural Form

extreme sport

US 
UK 
  • n.【体】极限运动
  • Web运动简介;极限活动;极致运动
Plural Form:extreme sports  
extreme sports
n.
1.
极限运动sports that are extremely exciting to do and often dangerous, for example skydiving and bungee jumping

Sample Sentence

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