Definition: not changed or damaged in any way Level: C1
这片古老森林仍未受到人类开发的影响。
The ancient forest remains ___untouched by human development.
这个偏远山谷仍未被现代技术触及。
The remote valley is still ___untouched by modern technology.
这份历史手稿在档案室中未被触动。
The historical manuscript was left ___untouched in the archive.
