U S （战争，事故，不快事情的）后果，创伤the situation that exists as a result of an important (and usually unpleasant) event, especially a war, an accident, etc.; the effects and results of sth bad or important

　aftermath　的基本意思是“后果，创伤”，是不可数名词，通常用单数形式。

　endure an ～　承受后果
　bleak ～　可怕的后果
　disastrous ～　灾难性的后果
　gratifying ～　可喜的结果
　grim ～　可怕的后果
　immediate ～　直接的后果
　in the ～ of an election　在选举结束后的一段时期里
　in the ～ of that incident　在那个事件结束后的一段时期
　the danger of disease in the ～ of the earthquake　地震后引起疫病的危险
　in the ～ to that incident　在那个事件结束后的一段时期
　the immediate ～ of the accident　事故的直接后果

　He had to endure the aftermath of the accident.　他不得不忍受这次事故的后果。
　The aftermath of war is hunger and disease.　战争的后果是饥饿与疾病。
　How would they cope with the aftermath of the war? 　他们会如何处理战后余殃?
　A lot of rebuilding took place in the aftermath of the war.　战后进行了大量的重建工作。
　In the aftermath of〔to〕 that incident, he had to leave town.　那事件发生后，他只好离开小镇。
　Many more people died in the aftermath of the explosion.　更多的人死于爆炸的余波之中。
　In the aftermath of the shootings, there were calls for a ban on guns.　枪击事件的结果是出现了许多禁止枪击的呼吁。
　Large numbers of businesses went bankrupt in the aftermath of the recession.　大批企业在经济衰退的余波中破产。
　In the immediate aftermath of the accident, no one was even sure how many people had been hurt.　在事故刚结束的那段时期里，没有人能确定到底有多少人受伤。