内酯酸的

例句：

1. 1. The chemical reaction of the esterification process is a key step in the production of plastics.
   酯化反应是生产塑料的关键步骤。
2. 2. The plant uses its own enzymes to convert sugar into an important source of energy for itself.
   植物使用自己的酶将糖转化为自身的重要能源来源。
3. 3. The esterification process is used to create new products, such as perfumes and cosmetics.
   酯化过程用于创造新产品，如香水和化妆品。