backwash
noun uk/ˈbæk.wɒʃ/ us/ˈbæk.wɑːʃ/
(WATER)
[ U ]反流，尾流
the backward movement of waves, or the backward movement of water caused by something, such as a boat, passing through it
The waterskier was caught in the backwash from a motorboat. 滑水者遇上了汽艇激起的尾流。
(EFFECT)
[ S ]（间接的）后果，余波
an effect that is not the direct result of something
The economic and political backwash of the war is still being felt. 时至今日人们仍然能感受到战争对经济和政治所造成的影响。