Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
I haven't got a clue on how to spend the National Day holiday.
如何度过国庆假期我还没有一点头绪。
Hey, you break it up!
喂，住手啦！
Such extreme cases must probably be taken with a grain of salt,
这种极端的事例虽不可全信，