Klockmannite
六方硒铜矿, 蓝硒铜矿
🗣️ 情景例句
For goodness' sake, Pete, tell us!
天啊， Pete， 快告诉我们
The man who makes no mistakes does not usually make anything.
不犯错误的人往往也就是无所作为的人。
I'll have to check with our engineers.
我得请教工程师才行。