资料来源 : pyDict

元旦

资料来源 : Webster's Revised Unabridged Dictionary (1913)

New Year's Day \New" Year's` Day"\
   the first day of a calendar year; the first day of January.
   Often colloquially abbreviated to {New year's} or {new year}.

资料来源 : WordNet®

New Year's Day
     n : the first day of the year [syn: {New Year's}, {January 1}]