名词
中文翻译：王国
同义词：
['kingdom', 'realm', 'domain例句：1. The ancient kingdom of Egypt was a center of learning and culture.（古埃及王国是学习和文化的中心。）']
例句：
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1. The ancient kingdom of Egypt was a center of learning and culture.
古埃及王国是学习和文化的中心。
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2.The kingdom's economy is heavily dependent on agriculture.
该国经济严重依赖农业。
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3. The kingdom's borders are defined by the river that separates it from neighboring countries.
该国边界由一条河流界定，与邻国隔河相望。