lethal equivalent

例句：

1. 1. The poisonous snake was lethal to all who came too close.
   这条有毒的蛇对所有靠近它的人都致命。
2. 2. The car accident was lethal in its impact on the victims.
   那场车祸对受害者造成了致命的影响。
3. 3. The disease is considered lethal if left untreated.
   如果不治疗，这种疾病被认为是致命的。