Caseidin
n. [生化]酪蛋白免疫素
🗣️ 情景例句
That's out of the question.
决不可能。
We can't eat so much.
我们不能吃那么多。
Kate, could you answer the telephone, please? I'm busy.
凯特，你能接一下电话吗？我忙着呢。