皮球[pí qiú]
英文：ball; rubber ball
例句及用法：
1、The ball bounces onto the grass.
皮球跳到了草坪上。
2、What I wanted to talk to you about was the ball.
其实我是想和你谈一谈有关于皮球的事情。
3、The tiger jumped onto a big rubber ball and rolled from one side of the lever to the other as the woman waved the lash.
女郎鞭子一挥，虎兄便跳上一个大皮球，从撬板的这一端稳稳地滚到另一端。
4、A rubber ball attached to a paddle by an elastic string loses energy as it files away from the paddle.
一根弹性绳把一只皮球拴在一块叶片上当球飞离叶片时，球失去能量。
