Casein
n. 酪蛋白\\n[化] 酪蛋白
📖 牛津释义
casein
n[U]
protein that is found in milk and that forms the basis of cheese 酪蛋白; 酪素.
🗣️ 情景例句
Would you like to sign the contract now?
你现在要签这合同吗？
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
I'm fine, thanks.
很好，谢谢。