pung

例句：

1. 1.The pig was a big one, with a round butt and soft skin.
   这头猪很大，有一个圆滚滚的屁股和柔软的皮肤。
2. 2. She sat on the butt of the chair, feeling very comfortable.
   她坐在椅子的屁股上，感到非常舒适。
3. 3.He kicked his dog's butt to get it to stop barking.
   他踢了狗的屁股，让它停止吠叫。