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上课啦,蒙蒙博士开门见山:“大家看,这是登上世界著名学术杂志《自然》的牙齿,是中国科学院古脊椎动物与古人类研究所刘武、吴秀杰等人在湖南省道县发现的47枚具有完全现代人特征的人类牙齿化石。它的发现表明,在8万~12万年前,现代人(也称智人)在该地区已经出现,这是迄今为止已知最早的具有完全现代形态的人类。”“什么?牙齿也能判断出人类的基本形态?”奇奇觉得有些不可思议。蒙蒙博士点点头,说:“确实如此!对于十几万年前甚至上百万年前的古人类来说,要
In class, Dr. Meng came straight to the mountains: ”Everyone saw that this is the tooth that climbed onto the world-renowned academic journal Nature and was discovered by Liu Wu and Wu Xiujie of the Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences in Daoxian County, Hunan Province Forty-seven human tooth fossils of completely modern character, whose findings indicate that modern humans (also known as Homo sapiens) have emerged in the area between 80,000 and 120,000 years ago, are by far the earliest ones known to have complete Modern form of human. “” What? Dental can also determine the basic human form? “” Qiqi feel a little weird. Dr. Meng Meng nodded and said: "This is true! For the ancients over 100,000 years ago or even millions of years ago,