prec·i·pice /ˈprɛs(ə)pəs/
  斷崖,絕壁,險境
  Prec·i·pice n.
  1. A sudden or headlong fall. [Obs.]
  2. A headlong steep; a very steep, perpendicular, or overhanging place; an abrupt declivity; a cliff.
     Where wealth like fruit on precipices grew.   --Dryden.
  ◄ ►
  precipice
       n : a very steep cliff