Prenitic acid
[化] 苯四酸
🧩 词语组成解析
🗣️ 情景例句
I could probably tell what it requires to fix it up.
我大致能说出修复它需要些什么。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
The doctor began to operate on the boy.
医生开始给那个男孩动手术。