noun 下载 🔗分享 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. Examples : "During our field trip to the aquarium, we learned that jellyfish, corals, and sea anemones are all examples of cnidarians. " 在水族馆的实地考察中,我们了解到水母、珊瑚和海葵都是刺胞动物的例子。 animal biology organism ocean nature 与AI对话词汇游戏阅读练习