Hausmannite
[化] 黑锰矿
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
Custom makes all things easy.
若照习惯办，万事皆不难。
Who's that boy over there?
那边的那个男孩是谁？