摘要
中国科学家在蛋化石中发现了保存完好的恐龙胚胎化石标本,这个标本叫作“英良贝贝”,是一只尚未破壳的窃蛋龙宝宝。1Scientists in China have discovered a rare 66-million-year-old perfectly preserved fossil of a baby dinosaur in its egg showing similarities between theropod(兽脚类)dinosaurs and the birds they would evolve(进化)into.
