Kempite
[矿]氯羟锰矿
🗣️ 情景例句
My boss does everything by the book.
我们老板一切照章办事。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
We're having a special showing next week in our showroom.
下周我们的展示室将有一个特别的展示会，