kreatinase

例句：

1. 1. The muscle proteinase is responsible for breaking down the muscle fibers.
   肌肉蛋白酶负责分解肌肉纤维。
2. 2. The enzyme was found to be essential for the growth of certain bacteria.
   这种酶被发现对某些细菌的生长至关重要。
3. 3. The muscle proteinase plays a crucial role in maintaining the strength and flexibility of the muscles.
   肌肉蛋白酶在保持肌肉力量和灵活性方面起着关键作用。