- At eight meters long, this is a plesiosaur.
这只蛇颈龙身长八米 - It, too, is a reptile,
它也是爬行动物 - but one that spends its entire life at sea.
但一辈子在海中生活 - As the plesiosaur can only eat so much,
因为蛇颈龙食量有限 - gathering in huge numbers like this
这样的大规模聚集 - allows many more turtles to survive.
可以让更多海龟生存下来 - All that remains
剩下的工作