这片原始森林依然保持着未受破坏的状态。

The primeval forest remains completely ___untouched by human activity.

尽管周围的人都染上了流感，他却依然没有生病。

He remained ___untouched by the flu that affected everyone around him.

这杯茶放在桌上整整一天，完全没被动过。

The cup of tea sat on the table all day, completely ___untouched.