Permonosulphuric acid
[机] 过氧单硫酸
🧩 词语组成解析
🗣️ 情景例句
You want three scoops also?
你也要三杓？
I get to work at nine o'clock every morning.
我每天早上9点钟上班。
Easy come easy go.
来得容易，去得快。