Formanite
钽钇铌矿
🗣️ 情景例句
I hope you have a wonderful time
希望你们玩得开心
Adversity makes strange bedfellows.
身处逆境不择友。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时