untainted

Organic food refers to food that is by - and - large untainted by pollution.

总体来说，有机食品是一种未被污染的食品。

My conscience stays untainted isn spite of rumors and slanders from the outside.

我的良知纯洁没有污点，不管外界的流言蜚语和造谣中伤。

Some might wish the city's authorities demolish this compromised legacy and replace it with something new and untainted.

一些人可能希望这个城市的管理者拆除这些带着羞辱意义的建筑遗产，用一些新的，没有污点的建筑来取代。