未处理的; 未浸渍的; 未经处理的
untreated adj 1: not given medical care or treatment; "an untreated disease"; "the untreated wounded lay on makeshift cots" [ant: {treated}] 2: not subjected to chemical or physical treatment; "an untreated fabric" [ant: {treated}] 3: (of a specimen for study under a microscope) not treated with a reagent or dye