noun🔗Share始祖鸟 A specimen of the species Archaeopteryx lithographica, being the earliest and most primitive known bird, representing a transition in the evolution of dinosaurs to birds."While studying fossils, Sarah learned that the archaeopteryx had both feathers like a bird and teeth like a reptile, showing its place in the evolution from dinosaurs. "在研究化石的过程中，萨拉了解到始祖鸟既有像鸟类一样的羽毛，又有像爬行动物一样的牙齿，这显示了它在恐龙进化成鸟类的过程中的地位。archaeologybiologyorganismanimalbirdhistoryscienceChat with AIVocabulary GamePractice Reading
