“爷爷,您今天又得了40个100分,继续加油啊!”每当听到孙子的鼓励,我锻炼起来就更有劲儿了。俗话说:饭后百步走,能活九十九。所以,散步成了我养生健身的主要方式。我平时都是在附近的广场走,由于对冷空气过敏,冬天便选择在家里锻炼。我规定自己每天晚饭后必须室内行走4000步。因为专家说,每天走4000步才能达到一天基本 “Grandpa, you got 40 100 points today and keep on cheering!” Whenever I heard my grandchildren’s encouragement, I was even harder to exercise. As the saying goes: a hundred paces after a meal, can live ninety-nine. So, walking has become my main way of health fitness. I usually walk in the nearby square, because of cold air allergies, winter will choose to exercise at home. I stipulate that I must walk 4,000 steps indoors after dinner every day. Because experts say 4000 steps a day to achieve the basic one day