But ice harvesting declined after World War I.

但是在第一次世界大战后，采冰逐渐减少。

I'm teaching World War I and II.

我在教第一次世界大战和第二次世界大战。

The history of Veterans Day relates to World War I.

退伍军人节与一战有渊源。

World War I, World War II, Korean War, or Gulf War.

第一次世界大战、第二次世界大战、朝鲜战争还是海湾战争。

During World War I, it was even seen as patriotic.

一战期，素食主义甚至还被认为是爱国体现。

World War I was mostly fought on French and Belgian land.

第一次世界大战主要是在法国和比利土上进行。

The act became known as the World War I Christmas Truce.

这一壮举被称为“第一次世界大战圣诞节休战”。

It was compounded by the outcome of World War I.

这是受到一战结果影响。

Until World War I, Americans associated the watch with fortune hunters.

直到第一次世界大战，美国人才把手表与追求财富者联系在一起。

The debt limit, or ceiling was created during World War I.

债务上限是在一战期问世。

But at the time, World War I ran from 1914 to 1918.

但当，第一次世界大战是从1914年到1918年。

U.S. Civil War, World War I, World War II or Vietnam war?

美国内战、第一次世界大战、第二次世界大战还是越南战争呢？

It took on greater importance after American losses in World War I.

美国在第一次世界大战中战败之后，该节日变得更为重要了。

The Nazis must be seen in the context of World War I.

纳粹分子诞于一战。

On that day in 1918, all sides in World War I stopped fighting.

1918年那天，一战所有参与国都停战了。

It also holds the world's biggest collection of World War I ships.

它藏有一战舰船数也是世界上最多。

World War I brought the submarine, the warplane, the tank and chemical warfare.

一战带来了潜水艇，战斗机、坦克和化战。

But there was nothing like this really, including World War I.

但没有什么比更惨绝人寰 包括一战在内。

After World War I, the United States fought in World War II.

一战过后，美国又参加了二战。

Clothing store founders, British battle ships, Triple Crown winners or World War I aircraft.

服装店创始人、英国战舰、三冠王还是第一次世界大战飞机？