Caseoserum
[醫] 抗酪蛋白血清
??? 情景例句
Grandpa, you are a terrific guy!
爺爺， 你真了不起！
The first step to virtue is to abstrain from vice.
不作惡是走向美德的第一步。
I apologize for being so angry with you.
我為跟你發火向你道歉。