N字开头的单词或词组
nubilitynullableNPPnumber locknasusnarcno errornavigationalnourishmentnauseatingnakednessno connectionno-faultnoise reductionneurobiologynarrowingno-goodNormandynew technologyNPDnonlivingno-callneurologistnitrous oxidenegusnitrousNational Aeronautics and Space AdministrationnarcissistNobel's explosivenogginnecktienotarial certificatenose-divenosedivenot leastNCUNelaton's lineNMSNikkeinewly-builtnebulizernone the wiser
