Calcium orthodisilicate
[机] 原二硅酸钙
🧩 词语组成解析
🗣️ 情景例句
Nice to meet you, Susan.
很高兴见到 Susan。
Don't answer back.
不要顶嘴。
No matter what happens, she often said, keep on beginning.
无论发生什么事，"她常说，不断从头开始。