Tiemannite
n. [矿]硒汞矿
🗣️ 情景例句
Show some courtesy or I shall cease dealing with your company.
请客气些，否则我将停止与你们公司打交道。
He is never alone that is in the company of noble thoughts.
思想崇高者，绝不会孤独。
Practice dialogues like these.
这样练习口语。