upswings是什么意思？

upswings

• v. 提高，进步，改进( upswing的第三人称单数 )；

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  进步；提高；上升
  An upswing is a sudden improvement in something such as an economy, or an increase in an amount or level.
  例句
  ...an upswing in the economy... 经济的迅速回升 Violent crime is on the upswing. 暴力犯罪率正在攀升。