This phytoplankton is so abundant that it produces half of all the oxygen on Earth. 大量的浮游植物产生了地球上一半的氧气
Even so, they will still take nearly two years to hatch. 但尽管如此 小章鱼也需要近两年时间才能孵化出来
So she travels to a very special place. 因此它会前往一个特别的地方
so it is extremely difficult to find in the gloom. 因此它很难在黑暗中被发现
..and they do so in astounding numbers. 而且规模惊人
Columbus crabs are not good swimmers, so this male is marooned. 哥伦布蟹并不擅长游泳 因此这只雄蟹走投无路
So, this young horn shark can hunt in safety... 因此 这条年轻的角鲨可以安全地捕猎