资料来源 : WordNet®

Pt
     n : a heavy precious metallic element; gray-white and resistant
         to corroding; occurs in some nickel and copper ores and
         is also found native in some deposits [syn: {platinum}, {atomic
         number 78}]

资料来源 : Free On-Line Dictionary of Computing

pt
     
        1.  {point}.
     
        2.  The {country code} for Portugal.
     
        (1999-01-27)