成年珊瑚聚集在健康珊瑚的剩余部分上，饥饿地进食。
The adult ones converge on remaining portions of healthy coral and feed hungrily.
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。
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.
刺冠海星生活在热带太平洋的珊瑚礁上，以珊瑚为食。
The Cot starfish is found on coral reefs in the tropical Pacific Ocean and it eats coral.
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