Bobierrite
白磷镁石
🗣️ 情景例句
Thanks a lot.
多谢。
During the two years since I took charge of the department.
在我负责这个部门的两年中。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。