Berthierite
[机] 蓝铁矿
🗣️ 情景例句
Don't lose sleep over it.
别因为这事儿睡不着觉。
In college I majored in science, What was your major?
大学时我主修自然科学，你主修什么呢？
I beg your pardon.
请你原谅。