古蜥蜴

例句：

1. 1. The ancient reptiles are still found in many parts of the world today.
   古代爬行动物至今仍在世界许多地方发现。
2. 2. This fossilized dinosaur is a relic of the age when dinosaurs roamed the earth.
   这个化石化的恐龙是恐龙时代遗留下来的遗迹。
3. 3. The study of ancient reptiles has shed light on the evolution of life on Earth.
   研究古代爬行动物有助于揭示地球上生命演化的过程。