collagenKK [ˋkɑləgən] /ˈkɑləɡən/名詞1膠原蛋白、膠原Collagen gives skin its elasticity and keeps joints healthy.膠原蛋白讓皮膚有彈性,也維持關節健康。2膠原蛋白填充物美容She had collagen injected into her lips last year.她去年在唇部注射了膠原蛋白。