Hierarchization
[医]等级化
🗣️ 情景例句
Oh, it must be a bill.
噢， 还不是帐单。
Old birds are not to be caught with shaff.
老谋是不会失算的。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。