用作不及物动词
▲S+～(+A)
What caused the price of irons to slump?钢铁价格暴跌是什么原因?
He is very tired so he slumped into a chair.他非常的累,所以一屁股跌坐在椅子上。

slump用作名词还可表示“萧条期”“(个人、球队等)低潮状态”。例如:
Economists are forecasting a slump.经济学家们预言将发生经济衰退。
She is in a slump in her career.她处在事业的低谷。

［同义词］   decline, drop