Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
I can't eat another bite.
我一口也吃不下去了！
To wave your arms
振臂，挥手
it is quite reasonable to regard the sea floor as the basic form of the crust of the earth,
因此完全有理由把海床看作地壳的基本模壳，