裸鼹鼠的长寿基因，让小鼠活得更久更健康
The naked mole rat is a strange animal. It is small and pink, with almost no hair. It lives under the ground in Africa. But it has one amazing gift. It can live for about 30 years.
裸鼹鼠是一种奇特的动物。它体型小巧，皮肤粉红，几乎无毛。它生活在非洲的地下。但它拥有一种惊人的天赋：能活约30年。
Most small animals do not live long. A normal mouse lives only two or three years. So why does the mole rat live so long? Scientists wanted to know. They studied its body for many years.
大多数小型动物的寿命都不长。普通老鼠只能活两三年。那么，为什么裸鼹鼠能如此长寿呢？科学家们对此充满好奇。他们对其身体进行了多年的研究。
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