witcogum

例句：

1. 1.The kids were playing witcogum with their friends in the park.
   孩子们在公园里和他们的朋友们玩弹球。
2. 2. She was witcogumming a ball around the room.
   她正在房间里扔着一个球。
3. 3.He used to be good at witcogumming, but now he can't keep up with his younger brother.
   他以前擅长弹球，但现在跟不上他的哥哥了。