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。

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Its inventor died in World War I.

它的发明者早在一战时就已辞世。

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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。

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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。

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But I'm very excited because I'm going to work on a film in August about World War One, which is very exciting.

但是我非常激动，因为我八月就要为一部以一战为题材的电影工作了，这真的很令人兴奋。

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In World War I and World War II, it strongarmed the Fed to print Federal Reserve Notes.

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In new memorial stones on the Celtic cross list the full names of the men who died in both World War I and World War II, and includes an additional four names that were missed by the original plaque that was unveiled back in 1953.

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The number of soldiers who died between 1861 and 1865, an estimated 620, 000, is approximately equal to the total American fatalities in the Revolution, the War of 1812, the Mexican War, the Spanish-American War, World War I, World War II, and the Korean War combined.

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