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Từ điển WordNet v3.1 - WordNet Dictionary 
	
		   
 Hadrian   
  Roman Emperor who was the adoptive son of Trajan; travelled throughout his empire to strengthen its frontiers and encourage learning and architecture; on a visit to Britain in 122 he ordered the construction of Hadrian's Wall (76-138) • Syn: Publius Aelius Hadrianus, Adrian • Instance Hypernyms: Roman Emperor, Emperor of Rome
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