aftershock /ˈɑːftəˌʃɒk/

• 1. 

  N-COUNT Aftershocks are smaller earthquakes that occur after a large earthquake. 余震

• 2. 

  N-COUNT People sometimes refer to the effects of an important event, especially a bad one, as the aftershock. 余波 [journalism] [usu with supp]

  例：

  They were already under stress, thanks to the aftershock of last year's drought.

  去年干旱的余波已经给他们造成压力了。