Calcium sillicate
[机] 硅酸钙
🧩 词语组成解析
🗣️ 情景例句
What do you often do in your spare time?
你在业余时间都干些啥？
I regard that man as lost, who has lost his sense of shame.
我认为，人丧失了廉耻就完了。
Bye.
再见。