ici·cle /ˈaɪˌsɪkəl/
  垂冰,冰柱,冷冰冰的人
  I·ci·cle n.  A pendent, and usually conical, mass of ice, formed by freezing of dripping water; as, the icicles on the eaves of a house.
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  icicle
       n : a pendent spear of ice formed by the freezing of dripping
           water