Vanadinite
n. [矿]钒铅矿
🗣️ 情景例句
Yes?
什么事？
No good building without a good foundation.
基础不好，建筑不牢。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，