| 单词 | corythosaur |
| 释义 | corythosaur (extremely rare) n WORD FAMILY corythosaur n duck-billed dinosaur with nasal passages that expand into a crest like a hollow helmet Syn|Hyper corythosaurus duck-billed dinosaur, hadrosaur, hadrosaurus any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic |
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