IED
noun [ C ] uk/ˌaɪ.iːˈdiː/ us/ˌaɪ.iːˈdiː/
简易爆炸装置（improvised explosive device的缩写）
abbreviation for improvised explosive device: a type of bomb made and used by people who are not members of an official army, etc.
Their truck was blown up by an IED. 他们的卡车被简易爆炸装置炸毁了。