Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
I always go back to the city in a wonderful state of mind.
我再回到城里时， 精神总是十分饱满。
Oh! Look who's coming?
哟！看看是谁来啦？
As he hated army life, he decided to desert his regiment.
他讨厌军旅生活，决定逃离所在部队。