1. The island has been untouched by tourism.
    该岛未受旅游业的影响。

2. The subject remains untouched upon.
    这个题目仍然没有触及。

3. She sent back her breakfast tray untouched.
    她打发人将一盘她一口未动的早餐送回。

1. untouched

1. 未提及的未受损伤的：untimed prompt shipment 不限期即期装船 | untouched 未提及的未受损伤的 | untreated oil line 原油管路

2. 未提及的：unto 至;到 | untouched 未提及的 | untrue 不确实的

3. 未触及的：untouchable 贱民 | untouched 未触及的 | untoward 麻烦的

4. 未触动的,不受感动的：unregistered未注册的 | untouched未触动的,不受感动的 | upgrade(计算机)更新,升级

1. 不受影响的
    Something that is untouched by something else is not affected by it.

    e.g. Asian airlines remain untouched by the deregulation that has swept America...
           亚洲航空公司并未受到席卷美国的撤销管制浪潮的影响。
    e.g. Vested interests were left untouched.
           既得利益未受影响。

2. 完好无缺的；未受损害的
    If something is untouched, it is not damaged in any way, although it has been in a situation where it could easily have been damaged.

    e.g. Michael pointed out to me that amongst the rubble, there was one building that remained untouched...
           迈克尔指给我看说，瓦砾中有一栋建筑完好无损。
    e.g. The desk had been rifled for money, some banknotes taken but cheque-book and credit cards left untouched.
           为了找到钱，桌子被翻过了，拿走了一些钞票，但支票簿和信用卡原封未动。

3. 世外桃源般的；不染尘嚣的；天然质朴的
    An untouched area or place is thought to be beautiful because it is still in its original state and has not been changed or damaged in any way.

公共查询·英语单词

    e.g. Ducie is one of the world''s last untouched islands, nearly 5,000km from Australia.
           迪西岛是当今世上仅存的几个不染尘嚣的岛屿之一，距澳大利亚近5,000公里。
    e.g. ...a relatively untouched cottage within only an hour or so''s drive of London.
           相对而言未受破坏的小屋，距伦敦仅一个小时左右的车程

4. 未吃过（或喝过）的；未动过的
    If food or drink is untouched, none of it has been eaten or drunk.

    e.g. The coffee was untouched, the toast had cooled...
           咖啡没有动过，吐司已经凉了。
    e.g. He murmured something, then, food left untouched, went into the sitting-room.
           他咕哝了些什么，然后食物丝毫未动就进了起居室。