Calcium orthosilicate
[机] 原硅酸钙
🧩 词语组成解析
正硅酸盐
🗣️ 情景例句
He's going to be fine.
他不会有事了。
Where's the company?
那个公司在哪儿？
We had to queue for hours to get in and there must have been several hundred people present just before the show began.
我们不得不排了好几个小时才进得场去。在演出开始前场内肯定已有好几百人了。