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1.The scientist successfully cloned the first mammal to be born in space.
这位科学家成功地克隆了第一个在太空中出生的哺乳动物。
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2. Cloning is a controversial topic, with both ethical and scientific implications.
克隆是一个有争议的话题,既有伦理上也有科学上的考量。
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3. The cloning of animals has raised concerns about genetic diversity and potential risks.
动物的克隆引发了对遗传多样性和潜在风险的担忧。