A.p.t.t.
[医] 明矾沉淀破伤风类毒素
🗣️ 情景例句
John isn't here today. That figures, he looked very sick yesterday.
约翰今天没有来，怪不得，他昨天就好像不太舒服。
He who never was sick dies the first.
小病不生，一病致命。
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。