Calcium fluorosilicate
[化] 氟硅酸钙
🧩 词语组成解析
氟硅酸盐
🗣️ 情景例句
She is in a meeting until night.
她开会要开到晚上。
I'm not sure what time I'm coming back.
我不肯定我什么时间回来。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。