polyamino acid

例句：

1. 1. Polyamino acids are essential for the growth of many organisms.
   多氨基酸对于许多生物的生长至关重要。
2. 2. The body produces polyamino acids to repair damaged tissues.
   身体产生多氨基酸来修复受损的组织。
3. 3.Polyamino acids are often used in protein supplements.
   多氨基酸常用于蛋白质补充剂中。