nucleic (adj.) nucleation (n.) nuclear (adj.) nuchal (adj.) nubile (adj.) nubby (adj.) nubbin (n.) nub (n.) nuanced (adj.) nuance (n.) nth adj.极度的;第n个的nozzle (n.) noxious (adj.) nowhither (adv.) nowhere (adv.) nowadays (adv.) now (adv.) now adv.现在;立刻conj.既然(与that连用)n.现在;此刻adj.目前的;现存的abbr.全国妇女组织(=National Organization of Women)novocain (n.) novitiate (n.)