untreated [ˌʌnˈtriːtɪd]

例句:

• In its untreated state the carbon fibre material is rather like cloth.
  原始的碳纤维材料很像布料。
  
• If untreated, the gums recede, become swollen and bleed.
  如果不进行治疗，牙龈会开始萎缩、红肿和出血。
  
• Untreated, their risk of premature death is high.
  来自BBC
• Pipes which dump untreated sewage at...the low tide mark.
  来自Guardian
• If this is left untreated, one can actually haemorrhage to death.
  如果这种情况得不到治疗的话，人就会因失血过多而死亡。
  
• Have an untreated sexually transmitted infection or pelvic infection.
  来自BBC