Gentnerite
[矿]陨铜硫铬矿
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
It's no trouble at all. I'll carry this suitcase for you.
一点也不麻烦，我来替你提这只箱子。
We are happy to be of help.
我们十分乐意帮助。