Cách sử dụng
An emperor is a ruler who has a lot of power and is usually in charge of a large empire or country. The word is often used in history to refer to leaders of ancient empires, like Caesar in Rome or Napoleon in France. It can also be used in fantasy and fiction to describe a powerful ruler of a made-up kingdom. You may hear the word "emperor" used in books, TV shows, movies or even in conversations about politics and history.