Klaprothite
(=klaprotholite)脆硫铜铋矿
🗣️ 情景例句
He is not up to the job.
他不能胜任这个工作。
It really depends on when.
那得看什么时候。
I forgot to prepare the speech I'm supposed to give today.
我忘了准备今天的我该做的演讲了。