| 单词 | keratin |
| 释义 | keratin keratin /ˈker.ə.tɪn/ noun [U] SPECIALIZED ► F0 a strong natural protein, the main substance that forms hair, nails, hoofs, horns, feathers, etc.Thesaurus+: ↑Substances and structures in the body |
| 随便看 |
英语词典包含67674条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。