Antisera
n. [免疫] 抗血清（antiserum的复数）
🗣️ 情景例句
about your math teacher or your math homework.
你的数学老师或你的数学作业。
To have money is a fear, not to have it a grief.
有钱使人担心，没钱使人伤心。
How peaceful and beautiful the country is!
多么平静美丽的国家呀！