extreme sport
US /ɪkˈstriːm spɔːrt/
UK /ɪkˈstriːm spɔːrt/

1.
sport ekstremalny
a sport that involves a high degree of risk and often requires specialized equipment and training, such as skydiving, bungee jumping, or whitewater rafting
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He's always been drawn to the thrill of extreme sports.
Zawsze pociągał go dreszczyk emocji związany z sportami ekstremalnymi.
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Many young people are participating in various extreme sports.
Wielu młodych ludzi uprawia różne sporty ekstremalne.