Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
If you want a job in journalism, you'll need to undertake media studies.
如果你想在新闻界工作，你得学习媒体知识。
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱？
Is it a black cat with one white ear and two white legs?
是那只长着一只白耳朵和两条白腿的黑猫吗？