险峻
the property possessed by a slope that is very steep
同义词： abruptness / steepness
the quality of happening with headlong haste or without warning
同义词： abruptness / precipitateness / precipitance / precipitancy / suddenness
... snappiness snappy的名词形式... precipitousness 险峻 gruffness gruff的名词形式...
Mount Tai, with its magnificence, precipitousness and natural beauty, is famous for its rich cultural relics.
泰山气雄伟，峰峦峻峭，景色壮丽，并以其丰富文物遗址而著称。