1·He has lived through two world wars.
他经历了两次世界大战。
—— 《牛津词典》
2·Many changes took place between the two world wars.
两次世界大战之间发生了很多变化。
—— 《牛津词典》
3·Many senior citizens have been through two world wars.
许多年长的公民经历了两次世界大战。
—— 《柯林斯英汉双解大词典》
4·Today we mourn for all those who died in two world wars.
今天，我们向所有在两次世界大战中死难的人表示哀悼。
—— 《牛津词典》
5·The two world wars, which interrupted the supply of raw material from Japan, also stifled the European silk industry.
两次世界大战中断了来自日本的原材料的供应，也扼杀了欧洲的丝绸工业。
6·Two world wars and a Great Depression rocked the confidence of many people that scientific expertise alone could create a prosperous and ordered world.
两次世界大战和一次经济大萧条动摇了许多人的信心——他们原本以为，单凭科学知识就可以创造一个繁荣有序的世界。
7·Carrots got their biggest boost during the two world wars, when food shortages forced people to eat them, and governments told everyone how healthy carrots were.
胡萝卜在两次世界大战期间最受青睐，当时的粮食短缺迫使人们食用胡萝卜，且政府公开宣传胡萝卜有多么健康。
8·During the world wars, DST was used for the late summers beginning January 1917 and 1942, and the full summers beginning September 1942 and 1943.
在世界大战期间，在1917年和1942年1月初，在夏季末实施夏时制。在1942年和1943年九月初，才于整个夏季都实施夏时制。
9·The most enduring portrait of Uncle Sam was created by artist James Montgomery Flagg in his famous army recruiting posters of World Wars I and II.
最令人难忘的山姆大叔的画像是由画家詹姆斯·蒙哥马利·弗拉格创作的，用在两次世界大战期间他画的很多著名的征兵招贴画上。
10·Epicures, the most prudent time-travellers, will follow Gibbon to Rome, or time their birth to dodge a call-up for the world wars and surf the Pax Americana.
享乐主义者是最谨慎的时间旅行者，他们会跟随吉本前往古罗马，或是计算好自己出生的时间来躲过世界大战的征兵，同时又尽情享受美国单极主导下的和平时代。