克隆五只小猪的详细方法没有向外界公开。
Details of the methods used to produce the five piglets were not made public.
五只小猪，六只小猪。
接着他们想到另一个点子：用其它不同种的动物宝宝来替代幼虎，因此他们找来了一窝五只失恃的小猪。
Then they thought of another idea, which was to replace the cubs with babies from an entirely different species. So they found a litter of five orphaned piglets.
美国科学家培育出了五只一模一样的小猪。
Scientists in the United States have produced five baby pigs that are exact copies of each other.
美国科学家培育出了五只一模一样的小猪。
Scientists in the United States have produced five baby pigs that are exact copies of each other.
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