untreated
/ˌʌnˈtriːtɪd/adjective
1
- (of a patient, disease, or other condition) not given medical care（病人, 疾病, 状况）未治疗的：
untreated cholera can kill up to half of those infected.
若不医治一半霍乱患者会死亡。
2
- not preserved, improved, or altered by the use of a chemical, physical, or biological agent未处理的; 未改进的; 未改变的：
untreated sewage is pumped directly into the sea.
未处理过的废水被直接排入大海。