Plumboniobite
铅铌铁矿
🗣️ 情景例句
Oh, Daddy!
噢， 爸爸！
I'm the oldest person in my club.
我是我的俱乐部中最老的人。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。