an·nu·al /ˈænjə(wə)l/
  年刊,年報(a.)一年一次的,年年的,一年生的
  annual
  年度
  An·nu·al a.
  1. Of or pertaining to a year; returning every year; coming or happening once in the year; yearly.
     The annual overflowing of the river [Nile].   --Ray.
  2. Performed or accomplished in a year; reckoned by the year; as, the annual motion of the earth.
     A thousand pound a year, annual support.   --Shak.
  2. Lasting or continuing only one year or one growing season; requiring to be renewed every year; as, an annual plant; annual tickets.
  An·nu·al, n.
  1. A thing happening or returning yearly; esp. a literary work published once a year.
  2. Anything, especially a plant, that lasts but one year or season; an annual plant.
     Oaths . . . in some sense almost annuals; . . . and I myself can remember about forty different sets.   --Swift.
  3. R. C. Ch. A Mass for a deceased person or for some special object, said daily for a year or on the anniversary day.
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  annual
       adj 1: occurring or payable every year; "an annual trip to Paris";
              "yearly medical examinations"; "annual (or yearly)
              income" [syn: yearly]
       2: completing its life cycle within a year; "a border of annual
          flowering plants" [syn: one-year] [ant: biennial, perennial]
       n 1: a plant that completes its entire life cycle within the
            space of a year
       2: a reference book that is published regularly once every year
          [syn: yearbook]