A.p.t.t.
[医] 明矾沉淀破伤风类毒素
🗣️ 情景例句
My job is not an easy one,
我的工作是不轻松，
Thank you very much for saying that.
非常感谢你这样说，。
One case concerns and eleven-year-old schoolgirl, Vera Petrova,
其中有一例谈到有一个名叫维拉。彼托洛娃的11岁学生。