Calcioferrite
[化] 钙磷铁矿
🗣️ 情景例句
What can I do for you, sir?
先生，有什么需要帮忙的吗？
No man ever became thoroughly bad all at once.
从来没有骤然变得极坏的人。
Not at all. It was a pleasure!
不客气。那样我很高兴。