col·la·gen
noun/ˈkɒlədʒən/
/ˈkɑːlədʒən/
[uncountable]- a protein found in skin and bone, sometimes injected into the body, especially the face, to improve its appearance
胶原蛋白，胶原（存在于皮肤和骨骼中的蛋白质，可通过注射来美容等） - collagen injections
胶原蛋白注射
Oxford Collocations DictionaryCollagen is used before these nouns:- injection
Word Originmid 19th cent.: from French collagène, from Greek kolla ‘glue’ + French -gène (from Greek genēs ‘-born, of a specified kind’). - collagen injections