Calcium fluorosilicate
[化] 氟硅酸钙
🧩 词语组成解析
氟硅酸盐
🗣️ 情景例句
Well ...
那……
You'd better go at once, hadn't you?
你最好马上走，不对吗？
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。