是
walker的意思：步行者散步的人徒步旅行者走路快(或慢等)的人。读音：英[wk(r)]，美[wkr]。短语：free walker自由行。
资料拓展
1、We passed a group of walkers， carrying huge packs.
我们与一批背着超大行囊的步行者擦肩而过。
2、The walkers were faint from hunger.
步行者饿得头昏眼花。
3、The coastal path is a popular route for walkers.
这条海滨小路是散步者很喜欢走的路径。
4、Observant walkers may see red deer along this stretch of the road.
观察敏锐的步行者可能在这一路段看到赤鹿。
5、By lap two Walker was two metres clear of the rest of the runners.
跑第二圈时，沃克已领先其他赛跑者两米。
