每当皮肤受到损伤的时候，就会刺激胶原蛋白的生成，从而促进细胞更新。

Whenever there's trauma to the skin, collagen is stimulated to help cell renewal.

youdao

每当皮肤受到损伤的时候，就会刺激胶原蛋白的生成，从而促进细胞更新。

Whenever there's trauma to the skin, collagen is stimulated to help cell renewal.

youdao