noun🔗Shareヒドロ虫類Any of many colonial coelenterates, of the class Hydrozoa, including the hydras, hydroids, hydrocorals, and siphonophores."While swimming, the marine biologist pointed out a colorful, branching hydrozoan attached to a rock, explaining that it was a colony of many tiny, individual animals working together. "泳いでいる間、海洋生物学者は岩に付着したカラフルで枝分かれしたヒドロ虫類を指し、それが協力して働く多くの小さな個々の動物のコロニーであると説明しました。organismanimalbiologyoceannatureChat with AIVocabulary GamePractice Reading
