Davidite
铀钛磁铁矿, 铈铀钛铁矿
🗣️ 情景例句
Frankly, I thought they'd be here, but ...
老实说 我原以为他们会在这儿 但……
We learn not at school, but in life.
学习不在校，而在生活中。
Are you going to be a sailor when you leave school?
你毕业后打算当海员吗？