noun 下载 🔗分享 腔肠动物 Any simple aquatic animal formerly considered to belong to the phylum Coelenterata, now divided into the cnidarians and ctenophores. Examples : "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。 animal biology ocean nature organism 与AI对话词汇游戏阅读练习