Hausmannite
[化] 黑锰矿
🗣️ 情景例句
He just can't keep a steady job.
他就是不能安心地在一个地方工作。
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
It doesn't matter this time.
不要紧。请进来坐下吧。