oc·cur·rent /əˈkɝənt, ˈkʌrənt/
  (a.)正在發生的,偶然發生的
  Oc·cur·rent a.  Occurring or happening; hence, incidental; accidental.
  Oc·cur·rent n.
  1. One who meets; hence, an adversary. [Obs.]
  2. Anything that happens; an occurrence. [Obs.]
     These we must meet with in obvious occurrents of the world.   --Sir T. Browne.
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