Caseidin
n. [生化]酪蛋白免疫素
🗣️ 情景例句
And you didn't have a chance to eat.
而且你什么也没有吃。
Spot, the dog, always whimpers when he is left alone.
那条叫斯伯特的狗，被单独留下来，时常寂寞得呜咽。
Do you want any meat today.Mrs. Bird?
您今天要买点肉吗，伯德夫人？