名词
中文翻译：恐龙
同义词：
['dinosaur', 'reptile']
例句：
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1.Archosaurs are the largest and most diverse group of dinosaurs.
恐龙是最大的、最多样化的恐龙群体。
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2.The discovery of a new species of archosaur has sparked excitement among paleontologists.
发现一种新的恐龙物种，引起了古生物学家们的兴奋。
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3.Archosaurs lived during the Mesozoic Era, about 250 million years ago.
恐龙生活在大约2.5亿年前的中生代。