silk gland protein

例句：

1. 1. The silk glandprotein is a key component in the productionof silk.
   丝腺蛋白是生产丝绸的关键成分。
2. 2. The silk gland protein has been usedin cosmetics to improve skin elasticity.
   丝腺蛋白被用于化妆品中，以改善皮肤弹性。
3. 3. The silk gland protein isalso used as a natural anti-agingingredient in skincare products.
   丝腺蛋白也被用作护肤品中的天然抗衰老成分。