三角

Said in one Chinese podcast line.

• 如果球的位置是在正手的偏小三角

  If the position of the ball is in the small right triangle of the forehand.

  

  乒乓球教学及资讯社区【高清】挑打技术-乒乓球教学

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Chinese books and courses on Amazon (affiliate link).