n.[古生]劍龍
Stegosaurus was one of the many plant-eating dinosaurs. 劍龍也是食草恐龍之一。
Stegosaurus lived in the Jurassic period, the middle period of dinosaur history. 劍龍生活在恐龍時(shí)代的中期侏羅紀(jì)時(shí)代。
