They're also adding some new events within sports that already compete, like three on three basketball and freestyle BMX.

他们还在已经存在的体育项目中添加了一些新项目，例如三对三篮球和自由式 BMX。

The IOC has introduced skateboarding, surfboarding, freestyle BMX, sport climbing, karate, and three-on-three basketball as part of a larger effort to attract younger viewers and inspire younger athletes to compete in the Olympic Games.

国际奥委会推出了滑板、冲浪、自由式小轮车、运动攀岩、空手道和三对三篮球等项目以吸引更年轻的观众，并激励更年轻的运动员参加奥运会。