[] a continuous harmful increase or decrease in sth, that gradually gets faster and faster 螺旋式上升或下降；恶性循环◆a downward spiral in share prices 股票价格的螺旋式下跌◆measures to control an inflationary spiral 控制通货膨胀恶性循环的措施◆Executive pay has continued its upward spiral. 高层管理人员的薪水持续螺旋式上涨。⨁to continue / fall into / lead to / start a spiral 继续／陷入／导致／引发恶性循环⨁to halt / stop a spiral 中止／停止恶性循环wage-price spiral