Our basketball team made it to the playoffs and will compete against three other strong teams for the championship.

playoffs 是名词 playoff 的复数形式。playoff 由 play（比赛）和 off（结束）组成，字面意思是"决定最终胜负的比赛"。在体育比赛中特指"季后赛"，即常规赛结束后，由排名靠前的球队参加的淘汰制比赛，用于决出最终冠军。