prone /ˈpron/
 (a.)傾斜的,有…傾向的,易于…的
 prone /ˈpron/ 形容詞
 傾向,有…傾向的,旋前的,俯的
 Prone a.
 1. Bending forward; inclined; not erect.
 Towards him they bend
 With awful reverence prone.   --Milton.
 2. Prostrate; flat; esp., lying with the face down; -- opposed to supine.
 Which, as the wind,
 Blew where it listed, laying all things prone.   --Byron.
 3. Headlong; running downward or headlong. “Down thither prone in flight.”
 4. Sloping, with reference to a line or surface; declivous; inclined; not level.
 Since the floods demand,
 For their descent, a prone and sinking land.   --Blackmore.
 5. Inclined; propense; disposed; -- applied to the mind or affections, usually in an ill sense. Followed by to. “Prone to mischief.”
    Poets are nearly all prone to melancholy.   --Landor.
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 prone
      adj 1: lying face downward [syn: prostrate]
      2: having a tendency (to); often used in combination; "a child
         prone to mischief"; "failure-prone"