Calcioferrite
[化] 钙磷铁矿
🗣️ 情景例句
What's this?
这是什么？
Went on to get his master's degree from harvard.
然后在哈佛大学取得了学士学位。
He is tough，but I am even tougher.
他是一个硬汉子，不过我要比他更硬。