noun🔗Share刺胞动物,腔肠动物 Any of various invertebrate animals, such as jellyfish, hydras, sea anemones, corals and formerly sponges and ctenophores that belong to the phylum Cnidaria."While swimming in the ocean, we saw a beautiful jellyfish, a type of cnidarian. "在海里游泳时,我们看到了一只美丽的水母,水母是刺胞动物的一种。animalbiologyoceannatureChat with AIVocabulary GamePractice Reading