California wildfires and cloned animals 加利福尼亚州野火，克隆动物衰老过程正常

本集内容 Thousands flee California wildfires 加利福尼亚州逾千人因野火逃离家园

Cloned animals aging no differently 克隆动物衰老过程正常

Wildfires in California have forced thousands of people to evacuate their homes. High winds and hot weather are causing difficulties for the 3,000 firefighters tackling the blazes in the south and centre of the state.

美国加利福尼亚州的野火迫使上千名居民撤离了他们的家园。大风和炎热的天气给对抗加州南部和中部大火的三千名消防员的工作带来了困难。

Scientists at Nottingham University say they are confident that cloned animals do not age prematurely. That’s raised hopes that cloning as part of medical research might lead to major advances. The first animal cloned from an adult cell, known as Dolly the sheep, did die prematurely. Researchers say her four cloned siblings are in good health.

诺丁汉大学的科学家们说他们相信被克隆的动物不会提早衰老。此说法提高了使用克隆作为医学研究从而获得重大医学进展的希望。作为全球第一只体细胞克隆动物的“多利羊”的确是过早地死亡。研究人员说多利的兄弟姐妹，既和她携带相同基因的四只克隆羊身体状况良好。

词汇 blazes

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