单词：pedunculated polyps
单词：pedunculated polyps 相关文章
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Idiom: Make or break ( something critical ) Hit the book: Marine Organism Coral polyps Calcium Limestone Attach to Weird Coral reef
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Where every plant and animal helps sustain the whole.The waste from parrot fish cements the reef. Stinging anemones provide a haven to the vulnerable. Even killers play their part, preventing a population explosion that would destroy this fragile eco
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As a polyp grows, it puts up a wall of limestone around itself. And then it multiplies. Each polyp can produce thousands of offspring, which all work together to build a living fortress-- a coral reef. After just a few years, a single piece of coral
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英语听力文摘 English Digest
In the zoophyte branch, class Alcyonaria, one finds the order Gorgonaria, which contains three groups: sea fans, isidian polyps, and coral polyps. 在植虫动物门、翡翠纲中，有矾花这一目，这一目包含矾花、木贼和珊瑚三科。
《海底两万里》中英双语有声读物