Calcium orthosilicate
[机] 原硅酸钙
🧩 词语组成解析
正硅酸盐
🗣️ 情景例句
(a foreigner) Is that a special day?
（一个外国人）是一个特殊的日子吗？
Much better.
好多了。
It looked as if there would be an exciting race across the Channel.
看来会有一场激烈的飞越英吉利海峡的竞争。