Mesitonic acid
[化] ┯酮酸\\n[医] ┩酮酸, α-二甲基-γ-酮戊酸
🧩 词语组成解析
🗣️ 情景例句
A professional writer?
职业写作人员？
He is eating a little.
他只吃了一点儿。
Recently it was damaged by a visitor.
可它最近被一个客人弄坏了，