足迹

• Time series analysis of ecological footprint in tieling city
  铁岭市生态足迹时间序列分析
• Then go out and make your own tracks in the snow
  然后就出发，在雪地上留下你自己的足迹。
• Study on urban traffic ecological footprint in shenyang city
  沈阳市交通生态足迹的实证研究
• I followed the path that the old guy ran ,
  我循着那个家伙的足迹找过去
• The footprints are quite distinct ; they must be fresh
  足迹清晰易辨,一定是不久前留下来的
• The footprints are quite distinct ; they must be fresh
  足迹清晰易辨,一定是不久前留下来的
• But the hills . that we climbed were just seasons out of time
  只是山谷中足迹，早已随风而逝
• Please leave your footprint , let me know you have been here
  留下你的足迹，让我知道你来过。
• I followed his track through the snow
  我顺着他在雪地里的足迹前进。