Bafertisite
硅钡铁钛矿
🗣️ 情景例句
Where's the bookstore?
书店在哪？
He sketched the situation in a few vivid words.
他用几句生动的话概况了形势。
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。