So there's the guy on offense without the ball the ball and he goes next to the guy guarding the guy with the ball, and he kind of stays there and they both move and stuff happens, and ta-da, it's a pick-and-roll.
一个没有带球的进攻球员 跑向持球的防守队员， 站在那里待一会儿， 然后他们一起移动（制造机会）， 嗒哒，这就是挡拆。