nonradioactive

adj. 非放射性的

noncommittal, nonconformist, nonconformity, noncontemporaneous, nondescript, none, none but, none other than, none the less, none too, nonentity, nonesuch (also nonsuch), nonetheless, nonexistent, nonflammable, nonmilitary, nonpareil, nonphysical, nonplus, nonporous, nonsense, nonsensical, nonsensically, nonsuch, nonthreatening, nontraditional, nonverbal, nonviable, nonviolent, nonviscous, noodle, nook, noon, noonday, noose, nope, nor, nor-, Nordic, Norfolk Broads,