1. 直线下降的：Back-up备份;支援 | Plummeting 直线下降的 | Accelerate 加速

2. 象铅球那样急速地垂直下降：rocketing象火箭那样飞速飙升 | plummeting象铅球那样急速地垂直下降 | Crime Reporting暴力冲突

3. 暴跌：debt announcement 债务公告 | plummeting 暴跌 | bailout 紧急援助(通常指财政方面)

4. 物价在上涨、下跌、上升、下落、猛然上涨、骤然下跌等：* a woollen sweater, price 19.9... | * Prices are rising, falling, going up, going down, shooting up, plummeting, etc. 物价在上涨、下跌、上升、下落、猛然上涨、骤然下跌等. | * I can't afford it at that price...