New Words：

empire [ˈempaɪr] n. 帝国；大企业；企业集团
emperor ['empərər] n. 皇帝；帝王

Sample Sentences：

The ancient Romans extended their empire into Asia.
The British Empire once covered large parts of the world.

Napoleon called himself Emperor of the French.
The daughter of an emperor does not worry about finding a husband.

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