Calcium fluorosilicate
[化] 氟硅酸钙
🧩 词语组成解析
氟硅酸盐
🗣️ 情景例句
I have a complaint for you.
我有点不满意的事要跟你谈谈。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Is that you, John?
是你吗，约翰？