eukeratin

例句：

1. 1.The scientist discovered a new type of keratin that could be used in the production of biomaterials.
   科学家发现了一种新的角蛋白，可以用于生物材料的生产。
2. 2.Keratin is a protein found in hair, nails, and feathers.
   角蛋白是一种存在于头发、指甲和羽毛中的蛋白质。
3. 3.The researcher believes that keratin plays a crucial role in maintaining skin health.
   研究人员认为角蛋白在保持皮肤健康方面起着关键作用。