Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
No pleasure without alloy (or pain or repentance).
乐中有悲。
Though a little suspicious this time, the policeman gave him the same answer.
虽然那位警察这次有点疑心，但还是对他作了同样的回答。