- And yet this is only half the story.
但这还只是故事的一半 - The nutrients that caused the plankton explosion
引起浮游生物暴增的养分 - didn't start out in the sea.
并非来自海洋 - They were carried there from the land...
而是来自陆地 - ...released by plants during one of the most amazing events of all time...
在史上最伟大的一个事件期间 由植物释放而出 - ...the greening of planet Earth.
这个事件就是地球的绿化 - What was once a volcanic wasteland
曾经的火山荒原