资料来源 : WordNet®

school day
     n 1: any day on which school is in session; "go to bed early
          because tomorrow is a school day"
     2: the period of instruction in a school; the time period when
        schools is in session; "stay after school"; "he didn't
        miss a single day of school"; "when the school day was
        done we would walk home together" [syn: {school}, {schooltime}]