Staying close to the seabed is a good way to avoid most predators. 贴紧海底是躲避大多数捕食者的好办法
Barely half a metre long, this little shark is extremely vulnerable. 这条只有半米长的鲨鱼非常脆弱
but what appears to be coral living on its skin is actually camouflage. 但看似长在它身上的珊瑚实际上是一种伪装
..but beneath the surface, it is an arena 但海面之下 是一个
where not everything is quite as it seems. 隐藏在表面现象背后
..for most of it is covered by water. 因为这些地区大部分都被水覆盖
The ocean is home to 80% of all animal life on Planet Earth. 海洋是地球上80%动物的家园
The question is, can it last another lifetime? 问题是 它还能再持续一辈子吗