upsurge [ˈʌpsɜ:dʒ]

以下由轻松背单词网站提供

v.起浪，涌起；n.涌起，高潮

a sudden and usually large increase in something

There has been a recent upsurge of violence in the area.近日应该应该该地区暴力事件急增。
A new upsurge in construction is in the making.一个建设的新高潮正在兴起。