N字开头的单词或词组
negotiationnormalizeNoahnorth polenichenemesisninthneighbournominalnobilitynotionneatlyno wondernoodleNevadano-shownot to mentionnet worknautilusnarrationnibsno matter hownaynibbleNASAnicknotableneedless to sayneoclassicismno entryNGnavyninenext tonot more thannebulanonprofitNilenervesnewtnursing homeNorth America