酶

例句：

1. 1. Enzymes are thebiological catalysts that speedup chemical reactions.
   酶是加速化学反应的生物催化剂。
2. 2. The process of digestion involves theaction of enzymes in the stomach.
   消化过程涉及胃中酶的作用。
3. 3. The discoveryof new enzymes has revolutionized thefield of biotechnology.
   发现新的酶已经彻底改变了生物技术领域。