pepsin digestion

例句：

1. 1. Pepsin digestion is a crucial step in the process of food digestion.
   胃蛋白酶消化是食物消化过程中的一个关键步骤。
2. 2. In pepsin digestion, enzymes break down proteins into smaller molecules.
   在胃蛋白酶消化中，酶将蛋白质分解成更小的分子。
3. 3. The stomach's acidic environment facilitates pepsin digestion and helps break down food.
   胃的酸性环境有助于胃蛋白酶消化并帮助分解食物。