Calciferrite
钙磷铁矿
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
Mmm, it doesn't seem to fit very well.
嗯，这套看来不大合身。