回力球

例句：

1. 1. The kidswere playing with their favorite toy, the round ball that bounces back when hit.
   孩子们正在玩他们最喜欢的玩具，那个圆滚滚的球，被击打后会弹回来。
2. 2.The game of basketball is a popular sportin China, and many children enjoy playingwith their own versions of the ball.
   篮球是中国流行的运动之一，许多孩子喜欢和他们自己的版本的球一起玩耍。
3. 3. The ballwas so heavy that it felt like itwould never stop bouncing after beingthrown.
   这个球太重了，感觉扔出去后会一直弹个不停。