Calsil
硅酸钙盐
🗣️ 情景例句
It might be simpler and less expensive .
这样可能比较简单而且省钱。
We have no vacancies now, but we'll certainly bear your application in mind.
我们目前没有空缺，但是我们一定记住你申请的事。
Each day is a holiday,and ordinary holidays, when they come,
每天都是假日，而通常的假期到来时，