Calciferrite
钙磷铁矿
🗣️ 情景例句
You might want to read up a little on the culture before you get there.
去那儿之前，你应该读一些关于那边文化方面的书。
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。