Ralstonite
氟钠镁铝石
🗣️ 情景例句
it's a graduation party for me.
这是为我毕业所办的派对。
No, You'll have to get off at the bank and take the A52.
不去。你到银行那一站就得下车，改乘A52路的。
Built in 1885, it was the oldest car taking part.
该车造于1885年，是参赛车中最老的一辆。