butanedial

例句：

1. 1. The butanedial jointin my hand is causing me a lotof pain.
   我手上的但丁式关节让我非常痛苦。
2. 2. The butanedial joint is the most common type ofjoint in the human body.
   但丁式关节是人类身体中最常见的关节类型。
3. 3. Butanedial surgery is a complex procedurethat requires specialized knowledge and skills.
   但丁式手术是一项复杂的程序，需要专门的知识和技能。