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被视为迟钝化身的乌龟,今天正被科学工作者作为探索动物长寿奥秘的主要对象。原来,这水陆两栖的爬行类动物乌龟,已在我们地球上生活了2亿多年。在7000万年前的白垩纪末期,庞大的恐龙和其他爬行动物,由于抵挡不住地球沧海桑田的剧烈变化,都陆续绝种了,唯有它得以幸免,成了今日世界上唯一尚存的最为古老的动物。乌龟不仅是地球上幸存至今的最为古老的动物,而且是所有动物中的“寿星”。著名史学家史马迁在其《史记·龟策列传》中就说:某地一老人,用龟垫床脚。20年后,老人病故,子孙移其床时,发现那龟仍还活着。《庄子·秋水篇》还写道:“吾闻楚
Tortoises, considered to be insensitive, are being used today by scientists as the main objects for exploring the mysteries of animals’ longevity. It turned out that this amphibious reptile turtle has been living on our planet for more than 200 million years. At the end of the Cretaceous period 70 million years ago, huge dinosaurs and other reptiles were all extinct as they could not withstand the dramatic changes in the vast land of the world. It was only surviving that it was the only surviving oldest in the world today. animal. The turtle is not only the oldest surviving animal on Earth, but also the “life star” of all animals. The famous historian Shi Maqian said in his “Historical Records Turtle Biography”: An old man in a certain place uses a turtle bed foot. Twenty years later, when the old man died, the descendants moved to their bed and found that the turtle was still alive. “Zhuangzi Qiu Shui Chapter” also wrote: "I have heard Chu