A recen【ZiYuanTun.Com】t college graduate documents his challenging experience hiking all 2,185 miles of the Appalachian National Scenic Trail and explores how that trail came to be. 译文(3): 一位刚毕业的大学毕业生记录了他在阿巴拉契亚国家风景步道2185英里的徒步旅行经历,并探索了这条步道是如何形成{资源屯-ziyuantun.com}。