Permonosulphuric acid
[机] 过氧单硫酸
🧩 词语组成解析
🗣️ 情景例句
You are twenty-one, a grown-up young lady old enough to make up your own mind.
你已经21岁了，已经到了可以自己做主的年龄了。
I have a good-paying job with excellent hours.
我有一个有极好工作时间和好报酬的工作。
Acting on a sudden impulse, I collected several dozen, put them in a paper bag, and took them to Robert.
我一时冲动，逮了几十只，装进一只纸袋里，带着去找罗伯特。