名词
中文翻译：四足动物
同义词：
['quadruped', 'tetrapod例句：1. The dinosaurs were the first known tetrapods to walk on land.（恐龙是已知的第一批四足行走的生物。）']
例句：
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1. The dinosaurs were the first known tetrapods to walk on land.
恐龙是已知的第一批四足行走的生物。
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2.Many scientists believe that the first tetrapods evolved from reptiles.
许多科学家认为最早的四足动物是由爬行动物进化而来的。
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3. Tetrapods are found in many different habitats across the world.
四足动物遍布全球各地的不同生态环境中。