slump

释义

n. 暴跌, 垂头弯腰的姿态\nvi. 猛然掉落, 陷入, 衰落(经济等) economic slump 经济衰退 slump test 稠度试验，坍落试验；流动度试验；重陷试验

例句

Sales slumped by 20% last year.

去年销售额骤减 20%。