plesiosaurs

英 [pliː'siəsɔːrz] 美 [pliː'siəsɔːrz]

• 蛇颈龙类

英英释义

名词 plesiosaur:

1. extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous