(数量、水平或活动的)激增,突然上升;(常指在较短时间内的)迅速增长。
/ˈʌpsɝːdʒ/
There has been an upsurge in flu cases this winter.
今年冬天流感病例出现了激增。
The report links the upsurge in housing prices to low interest rates and limited supply, which has intensified competition among buyers.
该报告将房价的激增与低利率和供应有限联系起来,这加剧了买家之间的竞争。
由前缀 up-(向上、增加)+ surge(汹涌、激增)构成。surge 原指海浪或水流的涌动,后来引申为数量或情势的“猛然上升”,加上 up- 更强调“向上增长”的意味。