Keratin
n. 角蛋白\\n[化] 角蛋白
🗣️ 情景例句
What are your hobbies?
你的爱好是什么？
Please make an offer indicating the packing.
请报价并说明包装情况。
It seemed certain that this would win the prize.
看来这个饼干获奖无疑了。