extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds
造句
用作名詞(n.)
However, the study of archaeopteryx has never stopped. 但是，關于始祖鳥的研究，卻一直源源不斷。
Paleontologists also debated whether Archaeopteryx could fly. 古生物學家還討論了始祖鳥是否會飛的問題。