noun🔗Share水螅，水螅虫。 Any of many colonial coelenterates that exist mainly as a polyp; a hydrozoan"The marine biologist pointed out the delicate, branching structures of the hydroids attached to the pier, explaining that they were colonies of tiny, individual animals. "那位海洋生物学家指着附着在码头上的、精致而呈分支状的水螅虫结构，解释说它们是由微小的个体动物组成的群体。organismanimalbiologyoceanChat with AIVocabulary GamePractice Reading
