This one measures 45m and is the longest animal ever recorded. 这一只达到了45米 是有记录以来所有动物中最长的
..and they do so in astounding numbers. 而且规模惊人
And now, with the exhausted rays trapped against the surface, 精疲力竭的蝠鲼无路可逃
..and the young ones follow her lead. 年轻虎鲸则紧跟它的脚步
The rays are fast and can outmanoeuvre an orca. 蝠鲼的速度很快 甚至快于虎鲸