接触酵素

例句：

1. 1. The enzymecatalyzes the reaction between sugar and water.
   这种酶催化了糖和水之间的反应。
2. 2. The enzyme is essential for the proper functioning of the digestive system.
   这种酶对于消化系统的正确运作至关重要。
3. 3. The enzyme was discovered by a scientist who made significant contributions to the field.
   这种酶是由一位为该领域做出重大贡献的科学家发现的。