casualty   n. 意外事故；伤亡人员；急诊室

/'kæʒjʊəltɪ; -zj-/

During rescue operations at mass casualty events, such as the Haitian earthquake, military engineers equipped with these radios could stay in contact as they dig to save victims.
在出现重大人员伤亡的事故营救工作中，比如海地地震，装备了这些无线电设备的军事工程师可以在挖掘救人的同时保持联系。