Coral is basically a jellyfish,which has stopped wandering the oceans,has the ability to pull calcium carbonate out of the surrounding water,lays down a limestone1 cup,hence forming the large reef systems here.

• 珊瑚从根本上讲是一种水母，一种不再在海洋中漂流的水母。它们能够将周围水中的碳酸钙分解出来，形成一个石灰石杯状物，这样就形成了这里巨大的珊瑚礁系。