osseocolla

例句：

1. 1.The bone collagen is a key component ofthe skin's elasticity.
   骨胶原蛋白是皮肤弹性的关键成分。
2. 2. Collagen is essential for maintaininghealthy joints and cartilage.
   胶原蛋白对于保持健康关节和软骨至关重要。
3. 3. The collagen in your skin can helpto repair wounds and scars.
   你的皮肤中的胶原蛋白可以帮助修复伤口和疤痕。