冬天来了,学生在教室脚凉,就会引起全身冷。那天,我在家里不小心将手划破,妈妈用一个小小的创可贴帮我将伤口包扎好,发现手指麻辣火烧,我想:是否能将此原理进行放大,发明一种鞋垫发热贴?具体构思是:将创可贴消毒海棉改为与人体接触的发热粉末,放在鞋底通过 Winter is coming, students cold feet in the classroom, it will cause systemic cold. That day, I accidentally broken my hand at home, my mother with a small Band-Aid to help me bandage wounds, found the fingers spicy fire, I think: whether this principle can be enlarged to create a insole heat paste? Specific The idea is: the band-aid disinfection sponge changed to contact with the human body heat powder, on the soles through