英日字典: plesiosaur
The plesiosaur has 1 Senses.
- plesiosaurus, plesiosaur
- プレシオザウルス
- extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous
- 小さな頭部に長い首、短い尾に4つのひれ状の肢を持つ絶滅した海洋爬虫動物
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