Ettringite
[化] 钙矾石; 钙铝矾
🗣️ 情景例句
and his book
他的书
In regard to your request, no decision has been made.
关于你的请求还没有做出决定。
We talked and wondered about the people who had lived here before.
我们谈论并且很好奇以前住在这里的人们。