Calcium sillicate
[机] 硅酸钙
🧩 词语组成解析
🗣️ 情景例句
I still live with my parents.
我还和父母同住。
The many children of that family used to play together for hours.
那一家的孩子们常常大伙一起玩上几个小时。
What's the time?
几点了？