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
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
Never fry a fish till it's caught.
捉到鱼，才煎鱼。
Then he sat there and looked at it for three hours! He didn't write a word!
然后他就坐在那里，对着考卷看了3个小时，一个字也没写！