第一次世界大战期间，刷牙开始流行起来。
第一次世界大战期间，邱吉尔曾到法国观察战情，在前线藏身处，接到一位过去相识的将军传言，邀约见面。
At one time during World War I Churchill visited France to observe the fighting. In his shelter at the front line, he received a message from a general, a former acquaintance, who wanted to see him.
第一次世界大战期间，珀西·斯宾塞曾在海军服役。 战后，这位工程师就职于雷神公司，他是电子方面的天才。
PercySpencer, an engineer at Raytheon after his WWI stint in the Navy, was known asan electronics genius.
协约国：在第一次世界大战期间与欧洲同盟国对抗的结盟国家，有俄国、法国、英国，后来又有包括美国的其它很多国家。
The nations allied against the Central Powers of Europe during World War I. They were Russia, France, Great Britain, and later many others, including the United States.
第一次世界大战期间他在法国负伤，1942年到1943年间他成为了一位在丹吉尔任职的情报官员并为盟军在北非的登陆作战出谋划策。
Wounded in France in the first world war, he became an intelligence officer in Tangier in 1942-43 and helped prepare the ground for the Allied landing in north Africa.
尼古拉斯及其家族被布尔什·维克逮捕，当时，布尔什·维克为控制在第一次世界大战期间崩溃之后的俄罗斯，正忙于与孟什维克即白军斗争。
Nicholas and his family were arrested by the Bolsheviks, who were then engaged in a struggle with the Mensheviks, or Whites, for control of Russia following the country's collapse during World War I.
这个名字来自法国的“莱戴保罗布鲁士”或“蓝魔”，这是第一次世界大战期间给予猎骑兵团Alpins，法国阿尔卑斯山轻步兵营的绰号。
The name comes from the French "les Diables Bleus" or "the Blue Devils," which was the nickname given during World War I to the Chasseurs Alpins, the French Alpine light infantry battalion.
一段时期里，这位derdesders(最后的最后)，是这个国家唯一的一位记得起第一次世界大战的人，因为他曾经在期间战斗过。
This derdesders, "the last of the last", was for a while the only man in the country who remembered the first world war because he had fought in it.
最后一部分讲的是凯恩斯主义经济学和货币主义经济学，它在第一次世界大战和第二次世界大战期间被广泛使用。
The final part is talking about the Keynesian economics and Monetarist economics, which were wildly used during the First World War and Second World War.
最后一部分讲的是凯恩斯主义经济学和货币主义经济学，它在第一次世界大战和第二次世界大战期间被广泛使用。
The final part is talking about the Keynesian economics and Monetarist economics, which were wildly used during the First World War and Second World War.
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