单词：hadrosaurs
(hadrosaur 的复数) n.[古生]鸭嘴龙(一种嘴像鸭嘴的恐龙)
plural of hadrosaur
n. any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
n. any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic