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来源:雅诚德英语网
In 1997, Dolly the Sheep was the first animal to be created through cloning.
1997年,绵羊多莉成为世界上首个通过克隆技术培育出来的动物。
In 1997, Dolly the Sheep was the first animal to be created through cloning.
1997年,绵羊多莉成为世界上首个通过克隆技术培育出来的动物。