The nation's manhood died on the battlefields of World War I.

这个国家的男子都在第一次世界大战的战场上牺牲了。

《牛津词典》

World War I left an indelible imprint on the twentieth-century world.

第一次世界大战给20世纪的世界留下了深远的影响。

《柯林斯英汉双解大词典》

Tooth brushing became popular during the World War I.

第一次世界大战期间，刷牙开始流行起来。

youdao

The project collects remembrances of veterans who served in World War I,World War II, the Korean War and Vietnam War.

VOA: special.2010.11.05

And Born worked on a number of things, including the Born exponent, and taught himself crystallography sort of as something to do during World War I.

玻恩也做出了许多贡献，包括玻恩指数，他自学结晶学,这大约是在一战期间。

麻省理工公开课 - 固态化学导论课程节选

I think obviously with the war in Iraq emphasised our, the extent, how close we are.

我想，伊拉克战争，很明显地突出了我们之间的关系有多么密切。

英国的首相们 - SpeakingMax英语口语达人

With the outbreak of World War I the reputation of the Germanic gnome plummeted.

BBC: From the section Magazine

Eddie Rickenbacker, the World War I ace, bravely founded Eastern Airlines in the late 1930s.

FORBES: In search of the right quadrant

Post World War I America was captivated by the daring of men like Charles Lindbergh and Richard Peary.

FORBES: Raider Of the Lost Egg