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

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。

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

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。

youdao