胶原 Traditional 膠原 jiāo yuán 🔊 collagen (protein) + Review this word Meanings jiāo yuán 膠原 collagen (protein) Its characters 胶jiāoto glue原yuánformerHSK 5 Words with 胶原 骨胶原 gǔ jiāo yuán collagen (protein) 胶原蛋白 jiāo yuán dàn bái collagen 胶原质 jiāo yuán zhì collagen (protein)