plesiosauryoudaoicibaDictYouDict[plesiosaur 词源字典]
"A large fossil marine reptile of the Mesozoic era, with a broad flat body, large paddle-like limbs, and typically a long flexible neck and small head", Mid 19th century: from modern Latin Plesiosaurus, from Greek plēsios 'near' + sauros 'lizard'.[plesiosaur etymology, plesiosaur origin, 英语词源]