Calcsinter
[化]钙华, 石灰华, 多孔石灰岩
🗣️ 情景例句
I'd be happy if you would go out with me.
你和我一起出去我会很高兴的。
The first wealth is health.
健康是最重要的财富。
We are standing on the left.
我们站在左面。