吃透英语课本，提升在校竞争力
phrase. 步行；走路
I missed the regular bus, so I had to go to work on foot.
早上没赶上班车，没奈何只好步行去上班。
He continues up the mountain on foot, in the snow and sleet, and he's getting sick from the cold.
在冰雨的天气里，他继续步行朝着山上前进，因为天气寒冷，他开始变得不舒服了。
He vainly hope to travel round the world on foot.
他梦想步行周游世界。
