Coral reefs, for example, are extremely sensitive... 例如珊瑚礁
Like coral reefs, they are a nursery for the oceans. 就像珊瑚礁 它们是海洋的托儿所
but what appears to be coral living on its skin is actually camouflage. 但看似长在它身上的珊瑚实际上是一种伪装
Although most life in tropical waters is concentrated around the coral reefs and the seagrass meadows, 虽然多数热带海洋生物 聚集在珊瑚礁或者海洋牧场里
Beyond the coral stretches a world of shifting sand. 在珊瑚礁上,是流砂的世界
so they seek prey that is hiding in the nooks and crannies of the coral. 因此就在珊瑚礁的裂缝和暗处寻找猎物
so coral in effect feeds around the clock. 这样,珊瑚虫可以昼夜不断地有效进食
There are also ten times the number of coral species. 而且珊瑚物种也要多十倍
but these coral havens contain one quarter of all the marine life on our planet. 不过珊瑚礁汇聚着地球上四分之一的海洋生物