Sintercorundum
烧结金刚砂
🗣️ 情景例句
When did the Roman Empire come into being?
罗马帝国是什么时候形成的？
The bird loves her nest.
鸟爱自己的窝。
This may be illustrated by comparing the position of a nation with that of a private business enterprise.
把国家的状况同私人企业的状况加以比较，就可以看清这个问题。