untreated
adjective /ˌʌnˈtriːtɪd/
  /ˌʌnˈtriːtɪd/
- not receiving medical treatment没有接受治疗的 - If untreated, the illness can become severe.若不加以治疗,病情就可能会变得很严重。 
 
- If untreated, the illness can become severe.
- (of substances物质 未处理的 - untreated sewage未处理的污水 
 
- untreated sewage
- (of wood木材 未经防护处理的