Klaprothite
(=klaprotholite)脆硫铜铋矿
🗣️ 情景例句
Look before you leap.
三思而后行。
We waited for john in the lobby of the airport.
我们在机场的大厅里等约翰。
John seldom gets together with his friends.
约翰很少与朋友聚在一起。