Monohydrocalcite
单水方解石
🗣️ 情景例句
We have to maintain communication to understand each other.
必须保持交流以求相互理解。
I'd like to travel first-class.
我要头等舱。
It is our permanent principle that contracts are honored and commercial integrity is maintained.
重合同、守信用是我们的一贯原则。