Calcsinter
[化]钙华, 石灰华, 多孔石灰岩
🗣️ 情景例句
Now I can help diaper him.
我现在可以帮他换尿布了。
The water has risen over the riverbank.
洪水溢过了防堤。
Excuse me. How can I get to Bear Country?
对不起，到熊国怎么走？