slump
柯林斯词典
1. V-I If something such as the value of something slumps, it falls suddenly and by a large amount. (價值等) 暴跌
Net profits slumped by 41%. 淨利潤暴跌了41%。
2. N-COUNT Slump is also a noun. (價值等的) 暴跌
The council's land is now worth much less than originally hoped because of a slump in property prices. 由於地産價格的暴跌，委員會的土地目前大不如原來所希望的那麽值錢了。
3. N-COUNT A slump is a time when many people in a country are unemployed and poor. 經濟蕭條時期
...the slump of the early 1980s. …20世紀80年代初期的經濟蕭條時期。
4. V-T/V-I If you slump somewhere, you fall or sit down there heavily, for example, because you are very tired or you feel ill. 癱倒; (因勞累或生病等) 跌坐
She slumped into a chair. 她癱倒在一張椅子上。
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slump /slʌmp/ (slumping,slumped,slumps)
剑桥词典
slump verb (REDUCE SUDDENLY)
[ 不及物動詞：後麪不接賓語的動詞 ](of prices , values , or sales ) to fall suddenly
（價格、價值或銷售額）猛跌，突然下降
The value of property has slumped. 房産價值突然下跌。
Car sales have slumped dramatically over the past year . 過去一年汽車的銷售額大幅度下降。
slump verb (SIT/FALL)
[ 不及物動詞：後麪不接賓語的動詞 經常 後麪必須接副詞或介詞的動詞 ]to sit or fall heavily and suddenly
沉重地坐下（或倒下）
She slumped into the chair , exhausted . 她頹然跌坐在椅子上，筋疲力盡。 返回 slump