名词
中文翻译：蝙蝠侠
同义词：
['superhero', 'vigilante']
例句：
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1.Batman is the world's most famous superhero.
蝙蝠侠是世界上最著名的超级英雄。
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2.The police were called to investigate a vigilante who had saved the city from a robber.
警察被叫来调查一个自称为“正义使者”的人，他救了城市免受强盗的侵害。
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3.Batman has been saving Gotham City from crime for years.
蝙蝠侠多年来一直在拯救哥谭市免受犯罪。