Calcium sillicate
[机] 硅酸钙
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Robbie. Good luck.
再见 ，Robbie ，祝你好运。
I read the newspaper over breakfast.
我边吃早饭边看报纸。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。