单词	俯视目测
释义	俯视目测 look-down
随便看	NFNational Formulary NF needs more…and so on and so on NFnegative feedback nfnegtive feedback NFnoise factor NFnoise figure nf noise figure NFnoise frequency NFNormes Francaises NF Nunnelley State Technical College nfold multipe integral n-fold multiple integral n-fold multiple integral n n-fold series n-fold symmetric product n-fold zero nfols Nfono N: For a filling? a denture? or a cleaning N: For a filling? a denture? or a cleaning? N.forbesii N.forbesii de Boiss n-force n-forces N form