pepsitensin

例句：

1. 1. Pepsin is an enzyme that helps digest proteins in the stomach.
   佩斯泰辛是一种帮助消化胃中蛋白质的酶。
2. 2. The pepsinogen in the stomach plays a crucial role in the digestion process.
   胃中的佩斯泰辛原体在消化过程中起着至关重要的作用。
3. 3. In peptic ulcer disease, pepsin is released into the bloodstream due to the injury of thegastric mucosa.
   在溃疡性胃炎中，由于胃黏膜受损，佩斯泰辛被释放到血液中。