Pfeiffer's substance
[化] 普法伊费尔化合物
🧩 词语组成解析
🗣️ 情景例句
It's only natural that if I care about Michelle
假如我关心 Michelle
The mailman is delivering letters.
邮差在发信。
Permission was granted and a policeman accompanied him to a pay phone.
警察同意了，陪他来到一个投币地电话前，