(每日一词）unadulterated

unadulterated /ˌʌn.əˈdʌl.ə.reɪ.t̬ɪd/ adj. 不掺杂质的，纯的；纯粹的，完全的

meaning: not spoiled or made weaker by the addition of other substances; pure 

前缀；un-否定

单词：adult 

后缀：-er, -ate, -ed 形容词后缀

e.g. The love between two people should be unadulterated by external influences, like money or social status. 两个人之间的爱应该是纯粹的，不受外部因素的影响，比如金钱或社会地位。

搭配：a feeling of unadulterated joy 纯粹的快乐