Comuccite
硫锑铁铅矿
🗣️ 情景例句
It won't take me long at all.
不需要花很长时间的。
What's your general impression,may I ask?
不知您对我们厂总的印象如何？
Such a messenger, receiving our radio and television signals,
这种自动化信息装置，在接收到我们的无线电和电视信号后，