Cassiterotantalite
锰钽矿
🗣️ 情景例句
It's not finished yet.
现在还没有完成。
A full belly counsels well.
衣食足而后知荣辱。
There he was picked up by a policeman and sent back to England by the local authorities.
他在那儿被一个警察抓住了，之后被当局送回了英国。