upsurge

名词 upsurge:

1. a sudden forceful flow
   同义词：rush, spate, surge
2. a sudden or abrupt strong increase
   同义词：surge

1. An upsurge in violent crime.
   严重犯罪的急剧上升
2. A new upsurge in construction is in the making.
   一个建设的新高潮正在兴起。