A.p.t.t.
[医] 明矾沉淀破伤风类毒素
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
We have opposite views on this.
我们在这上有相反的观点。
I'm sorry,I'm don't know.
很抱歉，我不知道。