Keratin fiber
[化] 角蛋白纤维
🧩 词语组成解析
n. 角蛋白\\n[化] 角蛋白
fiber
['faibə]
n. 光纤;（织物的）质地;纤维，纤维物质;
🗣️ 情景例句
Well, then why are you so sad?
那你为什么如此难过？
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
One of Mary's prize possessions was a little white lamb which her husband had given her.
玛丽最珍贵的财产之一就是丈夫送给她的一只白色小羔羊。