swell-butted

例句：

1. 1. The balloon was swell-butted with air.
   气球被充了气。
2. 2. His face was swell-butted with anger.
   他的脸因为愤怒而鼓起来。
3. 3. The fish had been swell-butted by the tide.
   鱼被潮水冲得鼓胀起来。