单词ornithischian
网络: 鸟臀类恐龙；鸟臀目恐龙；似鸟恐龙
复数：ornithischians
any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet;
众多的大型两足鸟臀目恐龙，长有鸭嘴状的角形嘴和蹼足；