意思是“步行”。英语中交通方式的表达：步行是：onfoot.如：Igotoschoolonfoot.骑自行车：bybike.如：Igotoschoolbybike.开车：bycar.如：Igotoschoolbycar.乘公车：bybus.如：Igotoschoolbybus.乘火车：bytrain.如：Igotoschoolbytrain.搭飞机：byplane.如：Igotoschoolbyplane.乘船：byboat.如：Igotoschoolbyboat.