v.艰苦跋涉，徒步旅行( trek的现在分词 )；（尤指在山中）远足，徒步旅行，游山玩水； 双语释义：v.(动词)vi. 艰苦跋涉，徒步旅行 travel difficultly,especially on foot英英释义： trekn.a journey by ox wagon (especially an organized migration by a group of settlers)any long and difficult tripv.journey on foot, especiall