adj.险峻的,多悬崖的,急躁的,鲁莽的
Meryl's health started a precipitous decline.
梅里尔的健康状况开始急剧下降。
a precipitous drop at the side of the road
道路一旁陡降的坡面
The stock market's precipitous drop frightened foreign investors.
股票市场的猛跌吓坏了国外投资者。