1.death toll 死亡人数
例句:Official reports put the death toll at under one hundred, but unofficial estimates speak of at least two hundred dead.
官方报道说死亡人数在100人以下,但非官方估计至少有200人死亡 。
2.at least 至少;最低限度
例句:Try to eat at least four slices of bread a day.
每天尽量至少吃4片面包 。
3.atomic bomb n.原子弹
例句:Scientists transmuted matter into pure energy and exploded the first atomic bomb.
科学家将物质转化为纯粹的能量,引爆了第一颗原子弹 。
4.mass destruction 大规模杀伤性;杀伤力
例句:Now they lead in the manufacture of weapons of mass destruction.
现在他们在制造大规模杀人武器方面领先 。