1.death toll 死亡人數
例句:Official reports put the death toll at under one hundred, but unofficial estimates speak of at least two hundred dead.
官方報道說死亡人數在100人以下,但非官方估計至少有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.
每天盡量至少吃4片面包 。
3.atomic bomb n.原子彈
例句:Scientists transmuted matter into pure energy and exploded the first atomic bomb.
科學家將物質轉化為純粹的能量,引爆了第一顆原子彈 。
4.mass destruction 大規模殺傷性;殺傷力
例句:Now they lead in the manufacture of weapons of mass destruction.
現在他們在制造大規模殺人武器方面領先 。