Calcium orthosilicate
[机] 原硅酸钙
🧩 词语组成解析
正硅酸盐
🗣️ 情景例句
My vacation was terrible, it rained the whole time.
我的假期简直糟透了，整天都在下雨。
I couldn't get through.
电话打不通。
I arranged to meet Jane after work last night but she didn't turn up.
我昨晚安排下班后见简，但她没来。