any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
例句
用作名词(n.)
Then we looked at the hadrosaur fossils.然后，我们再检视鸭嘴龙的化石。
The duck-billed hadrosaur Edmontosaurus earns the prize for the most common type there and so is the best characterized.其中鸭嘴龙类群的爱德蒙脱龙勇夺数量之冠，是此地最常见的种类，也是最有特色的一种。
