butt and butt

例句：

1. 1. She sat on the couch withher butt in the air.
   她坐在沙发上，屁股翘起来。
2. 2. Thebutt of the jokewas that it was a prank.
   笑话的结尾是，这是一场恶作剧。
3. 3. He had to siton the edge of the bed while hisbutt was still sore from theworkout.
   他不得不坐在床边，屁股因为锻炼还疼着。