内酰胺

例句：

1. 1. The enzyme catalyzes the reaction of urea to form ammonia and carbon dioxide.
   该酶催化尿素反应生成氨和二氧化碳。
2. 2. The compound is used as a preservative in food and pharmaceuticals.
   该化合物用作食品和药品的防腐剂。
3. 3. The process involves the use of an enzyme to break down the substance into its constituent parts.
   该过程涉及使用酶将物质分解成其组成部分。