Chalcolamprite
氟硅铌钠矿
🗣️ 情景例句
Well, I have an appointment now, I'll have to go.
嗯，我还有一个约会，我得走了。
We're in competition with several other companies for the contract.
我们与另外几家公司逐争取这个合同。
There is a mark of ink on his shirt.
他的衬衣上有一块墨迹。