战争是一种集体、集团、组织、民族、派别、国家、政府互相使用暴力、攻击、杀戮等行为，是敌对双方为了达到一定的政治、经济、领土的完整性等目的而进行的武装战斗。由于触发战争的往往是政治家而非军人，因此战争亦被视为政治和外交的极端手段。

相关词汇 aggression n. 侵略，进攻 atomic bomb 原子弹 battle n. 战斗 break out 爆发 civil war 内战 claim v. (事故等)导致(人)失踪或死亡 combatant n. 战士，作战人员 conflict n. 冲突，矛盾 genocide n. 种族灭绝 gunpowder n 火药 invasion n. 侵略，入侵 missile n. 导弹 mortality n. 死亡率 nuclear adj. 原子能的 peace n. 和平 revolution n. 革命 troop n. 军队，部队 violence n. 暴力 war n. 战争 warfare n. 战争，冲突
[图片0] 情景对话: A: It's been almost a century since the First World War broke out. B: Yeah. It began in the summer of 1914 and lasted until November, 1918. A: More than 70 million military personnel were mobilized and more than 9 million combatants were killed. B: The mortality was really high. A: Yes, and this war also involved major events like the Austro一Hungarian invasion of Serbia, the German invasion of Belgium, Luxembourg and France. B: That reminds me of the Second World War, during which German also invaded many European countries. A: It also claimed many human lives. It's tragic that various conflicts between countries had led to such major wars. B: Yeah, even the atomic bomb was used during some of the battles. A: I hope human beings can resort to ways other than warfare to solve their problems. B: Yeah. Me too. I hope peace can last forever. A: But unfortunately, sometimes things just turn out against our wishes. Did you read today's newspaper? There's are port about the genocide in some foreign countries. 参考译文: A:从第一次世界大战爆发至今快要一个世纪了。 B:是啊，一战爆发于1914年夏一直到1918年11月才结束。 A:一共调动部署了七千多万军事作战人员，其中九百多万人丧生。 B:伤亡很惨重啊。 A:是啊。这次世界大战中有一些重要的事件.如奥匈帝国入侵塞尔维亚以及德国侵占比利时、卢森堡、法国。 B:这让我想起了第二次世界大战，当时德国也入侵了许多欧洲国家。 A:嗯，二战也夺去了很多人的生命。国与国之间的争端终演变成如此惨烈的战争。真是太令人悲哀了。 B:是啊.而且在一些战斗中甚至使用了原子弹。 A:我希望人类可以不再诉诸武力来解决问题。 B:是啊，我也是，我希望和平永存。 A:但遗憾的是，有时却事与愿违。今天的报纸你看了吗?有一则关于国外种族屠杀的报道。