科研之友
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摘要
<正>Scientists will bring back woolly mammoths.They all died 4,000 years ago.It is like something from the movie Jurassic Park.Scientists will use its DNA to clone2 the large animals.A mammoth hasn’t walked on the earth since the Ice Age.The scientist’s goal3 is to make baby mammoths in the next four to six years.
- 出版日期2021
