Their legs extend beneath their body rather than to the side 它们的腿长在身体下方而非侧面
allowing them to run without having to stop to catch their breath. 使其在奔跑时无需停下来呼吸
and they are left to fend for themselves... 自从出生的那一刻
and would soon rise to take over the world. 并将很快崛起 接管整个世界
Many ancient reptiles failed to adapt to this new landscape. 许多古代爬行动物 未能适应这片新的土地
our planet returned to a forested land of giants. 我们的星球 第一次变回巨型生物的森林地
to launch its five-meter-long body... 足够将其五米长的身体