She scored a perfect three-pointer at the critical moment of the game.

three-pointer 是由 three（数字"三"）和 pointer（"指针、指示物"）组成的复合词。pointer 在这里指"投篮得分"。 three-pointer 是篮球术语，指"三分球"，即从三分线外投篮命中得到的3分。