Dusky dolphin, often in pods two hundred strong work together to reap the harvest. 200条暗色斑纹海豚聚集在一起 紧密合作,尽情收获
Krill, shrimp like creatures. By weight they're the most abundant animals on the planet. A single swarm can contain two million tons of them 磷虾,一种小型虾类,如果按重量计算 他们是地球上最多量的动物,一群就可达200万吨
On the surface of this sea fan, there are two polyps that are not polyps. 在这株海扇上,有2只"珊瑚虫"不像珊瑚虫
They're pygmy sea horses, the world's smallest, less than two centimeters high. 豆丁海马--全世界最小的海马,身长不到两公分
It's actually two thousand separate reefs that together form a barrier stretching for over a thousand miles along Australia's northeastern coast. 大堡礁由超过2000个独立的珊瑚礁组成 绵延在澳大利亚东北部海岸,长度超过1000公里
Rarely more than two hundred meters deep they lie on the continental shelves which may stretch sometimes for hundreds of miles 它们挨着大陆架 很少地超过200米深, 大陆架有时可能延伸达几百英里
In a single night, a colugo might have to travel as far as two miles 在一个晚上,鼯猴可以穿行2英里的路程
On average, over two meters a year. 平均年降水量可达2米
and a fifty meter giant, like this one, may keep it's place in the sun for another two hundred years. 这颗50米高的树将在剩下的200年里汲取阳光
Surprisingly only two percent of the sunlight filters down to the forest floor. 只有百分之二的阳光能够照射到雨林的地表上