extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
例句
用作名词 (n.)
However, the study of archaeopteryx has never stopped. 但是,关于始祖鸟的研究,却一直源源不断。
Paleontologists also debated whether Archaeopteryx could fly. 古生物学家还讨论了始祖鸟是否会飞的问题。