- Almost two months later, and the females' efforts are rewarded.
将近两个月之后 雌海龟的努力得到回报 - Hatchlings.
孵化出的小海龟 - But each one now has its own gauntlet to run...
但现在每一只小海龟都要面对考验 - as they instinctively head towards the ocean.
它们本能地朝着海洋前进 - Pterosaurs.
翼龙 - Long before the existence of birds,
在鸟类出现之前很久 - this group of ancient reptiles made a huge evolutionary step.
这群古代爬行动物 就迈出了巨大的进化步伐