It's just a case of trying to keep an eye on the divers, 这项工作需要时刻关注潜水员
It's such an effective way of hunting that the sea lions here 这是一种非常高效的狩猎方式
Here, they stimulate the rapid growth of tiny marine plants on an astronomic scale. 在这里 它们能极大的促进微小海洋植物的生长
..an alien world, inhabited by creatures beyond imagination. 仿佛置身外星 超乎想象的生物生存于此
The rays are fast and can outmanoeuvre an orca. 蝠鲼的速度很快 甚至快于虎鲸
A turtle, after all, makes an excellent home. 毕竟 海龟身上是个完美的家
In return, the crabs provide an onboard grooming service. 作为回报 哥伦布蟹会提供甲板清洁服务
that the sharks' feasts hardly make an impact. 多到鲨鱼的盛宴几乎不会造成影响