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

Recur \Re*cur"\ (r?*k?r"), v. i. [imp. & p. p. {Recurred}
   (-k?rd"); p. pr. & vb. n. {Recurring}.] [L. recurrere; pref.
   re- re- + currere to run. See {Current}.]
   1. To come back; to return again or repeatedly; to come again
      to mind.

            When any word has been used to signify an idea, the
            old idea will recur in the mind when the word is
            heard.                                --I. Watts.

   2. To occur at a stated interval, or according to some
      regular rule; as, the fever will recur to-night.

   3. To resort; to have recourse; to go for help.

            If, to avoid succession in eternal existence, they
            recur to the ``punctum stans'' of the schools, they
            will thereby very little help us to a more positive
            idea of infinite duration.            --Locke.

   {Recurring decimal} (Math.), a circulating decimal. See under
      {Decimal}.

   {Recurring series} (Math.), an algebraic series in which the
      coefficients of the several terms can be expressed by
      means of certain preceding coefficients and constants in
      one uniform manner.