- slump
 - [slʌmp]
 - vi. 下降,衰落;倒下
n. 衰退;暴跌;消沉
vt. 使降低;使衰落;使倒下 
参考例子
           - 1.Sit up straight. Don't slump !
 - 坐直了,别垂头丧气的。
 
- 2.This would return the economy into a slump.
 - 这将使美国经济再次陷入衰退。
 
- 3.Many small businesses smashed up during the slump.
 - 许多小企业在经济衰退时破了产。
 
英文解释
           - n.
 - 1.a noticeable deterioration in performance or quality
 - 2.a long-term economic state characterized by unemployment and low prices and low levels of trade and
 
- v.
 - 1.assume a drooping posture or carriage
 - 2.fall or sink heavily
 - 3.fall heavily or suddenly; decline markedly
 - 4.go down in value
 
网络释义
               - slump
 - 委靡的; 暴跌; 坍落; 急跌;
 
- sophomore slump
 - 二年生症候群。; 二年级生低潮;
 
- business slump
 - 生意萧条; 商业不景气; 营业不振;
 
- massive slump
 - 块状滑动;
 
- slump fan
 - 滑塌扇;