There have been several powerful aftershocks since Tuesday's quake.周二的地震之后发生过几次较强的余震。

They were already under stress, thanks to the aftershock of last year's drought.去年干旱造成的后果已经让他们感到压力了。

The world is still reeling from the economic aftershocks of last month's terrorist attacks.全世界仍未走出上个月的恐怖袭击带来的经济阴霾。