just as they were 15 million years ago. 与1500万年前别无二致
they pierce the surface at close to 90 kilometers an hour. 以接近每小时90公里的速度刺入水面
Their keen vision means they can spot a ball of fish a mile away. 敏锐的视力 令其能在1.6公里外发现鱼群
they formed the largest living structure our planet has ever seen... 形成地球史上最大的生物结构
they could navigate the complex world of the jungle. 在丛林的复杂世界中穿梭
And they still haunt our forests today. 它们今天仍在我们的森林中出没
With the dinosaurs gone, they were free to come out in the open. 恐龙灭绝之后 它们可以自♥由♥地出来活动
At first, they were small creatures, 起初 它们是小型生物