| 释义 |
1 ?珊函灰岩 ... colonial coral 群体珊瑚 coral rock 珊瑚岩 coral limestone 珊瑚灰岩,珊函灰岩... 2 ?珊瑚灰岩 ... colonial coral 群体珊瑚 coral rock 珊瑚岩 coral limestone 珊瑚灰岩,珊函灰岩... 3 ?珊瑚石灰岩 ... 珊瑚丘，礁岩块，珊瑚块 coral knoll 珊瑚石灰岩 coral limestone 珊瑚泥 coral mud ...
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So we have been fairly thorough in our discussion about coral reefs, which of course are prominent, oceanic features made of hard limestone skeletons produced by tiny coral animals. 我们对珊瑚礁的讨论已经相当深入了；显然，珊瑚礁具有显著的海洋特征，由小型珊瑚动物制造的石灰骨架构成。 - 2
Bleaching occurs when the tiny plant-like coral organisms die, often because of higher temperatures, and leave behind only a white limestone reef skeleton. 细小而形似植物的珊瑚生物死亡时会褪色变白，原因通常是不断升高的温度，留下的只是一具白色的石灰岩珊瑚礁骨架。 - 3
Because it was underwater 30 million years ago, the cave is made from limestone composed of fossilized shells, skeletons and coral. 因为3亿年前山洞是在水底的，山洞总的石灰石里有许多的贝壳，骨骼和珊瑚化石。
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