一年

Noun

 * 1) A solar year, the time it takes the Earth to complete one revolution of the Sun (between 365.24 and 365.26 days depending on the point of reference)
 * 2) A period between set dates that mark a year, from January 1 to December 31 by the Gregorian calendar
 * 3) first year (student), freshmen
 * 4) an unspecified year
 * 1) first year (student), freshmen
 * 2) an unspecified year
 * 1) an unspecified year
 * 1) an unspecified year

Noun

 * 1) (a duration of) one year
 * 2) an unspecified year in the past