| 单词 | hadrosaur |
| 释义 | hadrosaur(ˈhædrəˌsɔː) or hadrosaurus (ˌhædrəˈsɔːrəs) noun any one of a large group of bipedal Upper Cretaceous dinosaurs of the genus Anatosaurus, Maiasaura, Edmontosaurus, and related genera: partly aquatic, with a duck-billed skull and webbed feet Also called: duck-billed dinosaurWord origin C19: from Greek hadros thick, fat + -saur |
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