Most of them were killed either in the early days of the war or towards the end of the hostilities, when U.N. safe zones like Srebrenica fell into the hands of the Serb army.
他们中的很多人被杀 要么是在战争早期， 或者在敌对行动的尾声， 当像斯雷布雷尼察这样的联合国安全区 落入塞族军队之手的时候。