unadulterated

a. 无搀杂的,道地的,纯粹的,真正的

umpire, umpteen, umpteenth, un, un-, un-American, unabashed, unabated, unable, unabridged, unacceptable, unacceptably, unaccommodating, unaccompanied, unaccountable, unaccountably, unaccounted, unaccustomed, unacknowledged, unadopted, unaffected, unaffordable, unafraid, unaided, unalloyed, unalterable, unaltered, unambiguous, unanimity, unanimous, unanimously, unannounced, unanswerable, unanswered, unanticipated, unappreciated, unapproachable, unarmed, unarticulated, unashamed,