Tryptic
[生化]胰蛋白酶的
🗣️ 情景例句
Hi, Peter.
彼得，你好。
Have you had breakfast yet?
你吃过早餐了吗？
One of Mary's prize possessions was a little white lamb which her husband had given her.
玛丽最珍贵的财产之一就是丈夫送给她的一只白色小羔羊。