我是一位退休老教师，今年８４岁了，仍然体健力旺，精神矍烁，腰不弯，眼不花。不少人问我长寿秘诀，其实没有什么秘诀，只是多年来，我一直坚持练一套适合中老年人的“仿生保健操”。常像猫儿一样伸伸懒腰；像棕熊那样摇晃几下脑袋和脖子；像鸡鸭那样抖抖翅膀。现将这套保健 I am an old retired teacher. I am 84 years old and I am still vigorous. Many people ask me longevity tips, in fact, no tips, but for many years, I have always insisted on practicing a set of “bionic health exercises for the elderly.” Often stretching like a cat, shaking his head and neck a few times like a brown bear, shivering wings like chickens and ducks. Now this set of health care