LouisBraillewasablin的精选

问题详情：LouisBraillewasablindmanandheinventedthecodefortheblind.Hiscodegavewindowstotheblind.Intheyear1812,LouisBraillewasaverysmallboy.Helivedinasmalltown.Hisfatherhadasmallshop.Oneday,Louiswasplayin...