untainted [ʌnˈteɪntɪd]

例句:

• Others have turned to the supposedly untainted haven of yak meat.
  来自THETIMES
• 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.
  
• One finds good and bad smells in the air, but the air itself is untainted.
  人可以从空气的气味中发现好与坏, 但空气本身却不受好与坏的影响.
  
• 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.
  
• Foods grown in a safe, untainted environment.
  来自Health Shopper
• Not with your untainted-by-objectivity fan glasses?
  来自SA