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
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
Here on Earth, the influence of these vents 在地球上 这些喷口的影响范围
that all rely on the nutrients in the scalding water. 这些动物依靠滚烫的水中的营养物质生存
where life on Earth first began four billion years ago. 生命正是起源于类似这样的喷口
The young orca are quick to catch on. 年轻的虎鲸理解的很快
..but she can't do that on her own. 但这项工作无法独自完成
he may have been drifting on ocean currents for months. 可能已经在洋流中漂流了数月