今天是爸爸的生日,妈妈做了一顿十分丰盛的晚餐。在亲朋好友举杯祝贺爸爸生日时,做教师的爸爸把杯中的啤酒一饮而尽。随后,爸爸拿着手中的啤酒杯问我:“文彰,你注意到没有,爸爸手中的杯子是圆柱形的,生活中装液体和粉末状物体的容器也大都是圆柱形的,你知道这是为什么吗?正确答案就是你送给 Today is my father's birthday, my mother made a very generous dinner. When relatives and friends toast to congratulate Father's birthday, the teacher's father drank the beer in the glass. Then Dad asked me with a beer cup in his hand: ”Wenzhuo, you noticed that the cup in my father's hand was cylindrical, and the container of liquid and powdery objects in life was mostly cylindrical, you know Is why? The correct answer is that you gave it