- precipitousness
 - [pri'sipitəs]
 - n.
                            precipitous的变形
adj. 悬崖峭壁般的;陡峭的;险峻的
急转直下的;突然落下的
=precipitate
近义词: steep 
反义词
           
       参考例子
           - 1.The Yalong River , the green river flowing through West China known for its natural beauty and precipitousness had been a big draw to me.
 - 雅砻江,这条中国西部的绿色大川,以她的秀美、的险峻吸引着我。
 
- 2.Mount Wudang not only has all features of the 5 Sacred Mountains—magnificence, precipitousness, uniqueness, quietness and beauty, but also is the cradle of Wuhan boxing.
 - 武当山不仅兼有五岳雄、险、奇、幽、秀各种特色,它还是武当拳的发源地。
 
英文解释
           - n.
 - 1.the property possessed by a slope that is very steep
 - 2.the quality of happening with headlong haste or without warning