spectacular though it is, has only recently been observed, for it only happens on the most remote reefs in Indonesia. 引人入胜.只是最近才被发现. 因为它发生在偏僻的印尼珊瑚礁
And this recycling happens faster here, 这种生态循环的速度
At the heart of all that happens here is a single living thing. 这一切最终都依赖于一种生命体的存在
and when it happens they must make the most of it. 一旦发生 它们必须尽可能地利用它
It's an event that only happens once or twice a year at the most. 而且一年最多也只发生1~2次