Calcium fluorosilicate
[化] 氟硅酸钙
🧩 词语组成解析
氟硅酸盐
🗣️ 情景例句
It doesn't mean you have to be a doctor.
这并不意味着你一定要当医生。
If we are bound to forgive an enemy,we are not bound to trust him.
即便我们决心宽恕敌人，也决不能相信敌人。
If you are younger, and ina solid financial position,
如果你年轻一些，并且经济状况可靠，