butt splice

例句：

1. 1.The butt splice was holding up the dress.
   但臀部接合处撑破了裙子。
2. 2.The butt splice was causing him a lot of pain.
   但臀部接合处让他痛不欲生。
3. 3.The butt splice had to be replaced.
   但臀部接合处不得不更换了。