NB

英[ˌen'biː] 美[ˌen'biː]
  • abbr.注意(=notabene)
  • nazi n.纳粹党人adj.纳粹党的
  • regime n.政体;政权;制度n.养生法(=regimen)
Noun:
  1. a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

  2. a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something;

    "the margins of his book were generously supplied with pencilled NBs"