Yet their impact on life on the surface has been huge. 然而它们对地面上的生物 却有着极其深远的影响
their fresh water has brought life and abundance to planet Earth. 淡水为地球带来了无数生机与富饶
will certainly be useful later in life in these flooded mangrove forests. 将来会成为在红树林中 非常有用的生活技能
and, despite the harsh conditions, life flourishes here in isolation. 尽管生存条件恶劣 生命仍在这个与世隔绝的地方得到了兴盛
Here, only the narrowest line separates life from death. 在这里 生与死只有一线之隔
they gradually warm and begin to support more life. 河水渐渐变暖 养育的动物也多了起来
is greater than any other stage in a river's life. 在河流扮演的角色中 这才是最主要的
brings huge quantities of food into these high rivers that normally struggle to support much life. 于是这些平常只能勉强维持众多动物生计的 高山河流终于有了提供饕餮大餐的机会
There are advantages to life in the fast stream - 这些动物拥有在急流中生存的先天优势