Baierine
(=baierite)铌铁矿
🗣️ 情景例句
Australia is a unique country.
澳大利亚是世上独一无二的国家。
Don't be so stubborn!
你还嘴硬！
they must be sedulously tended, if the vivifying fruits are to be at hand when needed.
要想在需要的时候可随手摘取充满生机的果实，还需要勤勉地护理。