未受践踏的

例句：

1. 1. Theancient ruins are untroddenby modern developments.
   古代遗迹未受现代发展的影响。
2. 2. The forest floor is untrodden, with only the occasional footprints to indicate human presence.
   森林地面未被踩踏，只有偶尔的脚印表明有人来过。
3. 3. The old house was untrodden, and its walls werestill standing strong.
   这座老房子未被破坏，墙壁依然坚固。