noun🔗Share腔肠动物 Any simple aquatic animal formerly considered to belong to the phylum Coelenterata, now divided into the cnidarians and ctenophores."The old textbook classified jellyfish as a coelenterate, but modern science now recognizes them as cnidarians. "旧教科书把水母归为腔肠动物,但现代科学现在认为它们是刺胞动物。animalbiologyoceannatureorganismChat with AIVocabulary GamePractice Reading