名词中文翻译
中文翻译：剑龙
同义词：
['trilobite', 'pterosaur']
例句：
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1. Pelycosaurus was one of the first dinosaurs to have been discovered in North America.
剑龙是北美最早被发现的恐龙之一。
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2. The discovery of Pelycosaurus has sparked new research into the evolution of dinosaurs.
剑龙的发现激发了对恐龙进化的新研究。
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3. Pelycosaurus had a long neck and a powerful tail, which allowed it to hunt prey from a great distance.
剑龙拥有长颈和强大的尾巴，这使得它能够从远距离狩猎猎物。