bounce/baʊns/

v. (make sth) move quickly away from the ground, a wall, etc. after hitting it

v. [I; T] （使）弹起，（使）反弹；（使）弹回：The ball bounced off the wall. 球从墙上弹了回来。

◇[bounce sth¹ against sth²] Tom bounced a ball against the wall. 汤姆对着墙弹球。

音组-ounce/-aʊns/

announce; bounce; pronounce