lethal area

例句：

1. 1. The poisonous gas was lethal to everyone in the room.
   有毒气体对房间里的每个人都是致命的。
2. 2.The hunters were warned that the animal was lethal.
   猎人被警告那头动物是致命的。
3. 3. The disease is considered lethal for children under five years old.
   这种疾病被认为是对五岁以下儿童致命的。