Ettringite
[化] 钙矾石; 钙铝矾
🗣️ 情景例句
That's a great idea.
这是一个绝妙的主意。
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
I didn't mind, because it was really cold in Moscow. There was thick snow everywhere!
我并不介意，因为莫斯科的天气非常寒冷。到处都可看见厚厚的雪！