Benjaminite
铜银铅铋矿
🗣️ 情景例句
Permanently?
一直住下去？
Millions of thanks to you all, and don't forget to finish your dinner before it get cold.
十分感谢大家，大家快趁热吃吧。
That doesn't sound like modern printing.
这听起来不象是现代印刷术呀。