pterosaurs were the first vertebrates to achieve powered flight.
翼龙是第一批实现动力飞行的脊椎动物。
flying reptiles dominated the skies during the mesozoic era.
中生代时期，飞行爬行动物统治着天空。
some species of flying reptiles had wingspans exceeding thirty feet.
一些飞行爬行动物物种的翼展超过三十英尺。
fossil evidence shows that flying reptiles evolved from terrestrial ancestors.
化石证据表明，飞行爬行动物是从陆地祖先进化而来的。
the quetzalcoatlus was one of the largest flying reptiles ever known.
风神翼龙是有史以来最大的飞行爬行动物之一。
unlike birds, flying reptiles flew with membraneous wings.
与鸟类不同，飞行爬行动物用膜状翅膀飞行。
flying reptiles became extinct along with the dinosaurs.
飞行爬行动物与恐龙一起灭绝了。
scientists study flying reptile fossils to understand ancient ecosystems.
科学家研究飞行爬行动物化石以了解古代生态系统。
the wings of flying reptiles were supported by elongated finger bones.
飞行爬行动物的翅膀由延长的指骨支撑。
baby flying reptiles were likely able to fly soon after hatching.
幼年飞行爬行动物可能在孵化后不久就能飞行。
flying reptiles filled ecological niches similar to modern birds.
飞行爬行动物填补了与现代鸟类相似的生态位。
some flying reptiles were fish-eaters, skimming over water surfaces.
一些飞行爬行动物是食鱼动物，在水面上方滑翔。
pterosaurs were the first vertebrates to achieve powered flight.
翼龙是第一批实现动力飞行的脊椎动物。
flying reptiles dominated the skies during the mesozoic era.
中生代时期，飞行爬行动物统治着天空。
some species of flying reptiles had wingspans exceeding thirty feet.
一些飞行爬行动物物种的翼展超过三十英尺。
fossil evidence shows that flying reptiles evolved from terrestrial ancestors.
化石证据表明，飞行爬行动物是从陆地祖先进化而来的。
the quetzalcoatlus was one of the largest flying reptiles ever known.
风神翼龙是有史以来最大的飞行爬行动物之一。
unlike birds, flying reptiles flew with membraneous wings.
与鸟类不同，飞行爬行动物用膜状翅膀飞行。
flying reptiles became extinct along with the dinosaurs.
飞行爬行动物与恐龙一起灭绝了。
scientists study flying reptile fossils to understand ancient ecosystems.
科学家研究飞行爬行动物化石以了解古代生态系统。
the wings of flying reptiles were supported by elongated finger bones.
飞行爬行动物的翅膀由延长的指骨支撑。
baby flying reptiles were likely able to fly soon after hatching.
幼年飞行爬行动物可能在孵化后不久就能飞行。
flying reptiles filled ecological niches similar to modern birds.
飞行爬行动物填补了与现代鸟类相似的生态位。
some flying reptiles were fish-eaters, skimming over water surfaces.
一些飞行爬行动物是食鱼动物，在水面上方滑翔。
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