N字开头的单词或词组
noxiousnavelnew dealnetstatnot verynegationnudismnatural gasnoisemakerniacinamidenucleotideneoplasmnominal valueNormaNUInonexistentnew tonestingnettednymphomanianattynumeratornippynormal salinenone butnoblyNHSno littleNocardianaproxennominal powernewfoundnewlywedNew York stock exchangeneedlessnitratenavvynomadicnaphthalenenot includednightingaleNigerian
