N-UNCOUNT
(常用于化妆品或美容手术中,使皮肤显得年轻的)胶原蛋白
Collagen is a protein that is found in the bodies of people and animals. It is often used as an ingredient in cosmetics or is injected into the face in cosmetic surgery, in order to make the skin look younger.
例句
The collagen that is included in face creams comes from animal skin.
面霜中的胶原蛋白取自动物皮层。
...collagen injections.
胶原蛋白注射