单词	duck-billed dinosaur
释义	duck-billed dinosaur noun variants or less commonly duckbill dinosaur : any of various herbivorous dinosaurs (family Hadrosauridae) of the Late Cretaceous having the jaw elongated into a snout that resembles a beak : hadrosaur Fossils of a duck-billed dinosaur have turned up in Antarctica, recalling a time 66 million years ago when the now-frozen continent bore forests and a bountiful ecosystem. Richard Monastersky Example Sentences Recent Examples on the Web In the 1980s, Bruce Stinchcomb, a paleontology student studying Gilmore and Stewart's, analyzed the old bones and identified them as belonging to a hadrosaur, or duck-billed dinosaur, per CNN. Elizabeth Gamillo, Smithsonian Magazine, 2 Dec. 2021 Word History First Known Use 1913, in the meaning defined above
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