1. The bluefin has proved to be no match for a high-tech fishing industry, which has sent their numbers into a precipitous decline. 金枪鱼已经证明没有对手因为高科技渔业，已经发送它们的数字到一个险峻的衰退时期。
2. Each chart displayed a similar precipitous descent in the catch from the start of industrial fishing, some time before 1960, to a virtual plateau between 1980 and 2000. 每张图表显示了从1960年前一段时间的产业化捕鱼开始，到1980至2000年间实际的高潮持续期，在捕鱼量上的类似衰落。
3. A small percentage of patients may show hypersensitivity to the drug and react to it with a pronounced and precipitous fall of blood pressure which may result in syncope. 一小部分病人可能对这种药过敏，并且对这种药产生血压明显急剧下降的反应，此反应可能导致病人昏厥。
英英解释
adj.
1. done with very great haste and without due deliberation
2. characterized by precipices
3. extremely steep
