WhenIwasachildIhadamodelrailwayset.AsIdrovemytrainaroun...
問題詳情:WhenIwasachildIhadamodelrailwayset.AsIdrovemytrainaroundthetrackIsetmyself 21 goals:“Keepthetrainataconstantspeed”and“letittravelas 22 asIcan”.Thiswasfunandexciting.Finally,Iwas 23...
問題詳情:WhenIwasachildIhadamodelrailwayset.AsIdrovemytrainaroundthetrackIsetmyself 21 goals:“Keepthetrainataconstantspeed”and“letittravelas 22 asIcan”.Thiswasfunandexciting.Finally,Iwas 23...