Chalcomorphite
硅铝钙石
🗣️ 情景例句
and you won't get so many colds anymore.
你就不会老患感冒了。
When the fire started, I was writing letters.
当火起来的时候，我在写信。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。