kathepsin

例句：

1. 1. The body needs a variety of enzymes to break down food.
   身体需要各种酶来分解食物。
2. 2. Enzymes play a crucial role in the digestion process.
   酶在消化过程中起着至关重要的作用。
3. 3.The patient was given an enzyme supplement to aid in his recovery.
   病人被给予一种酶补充剂以帮助他的康复。