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.
总统宣布说，他的国家不能容忍任何威胁要攻击其盟国的人。 The president stated that his country would not tolerate anybody who raised a hand against their allies.
总统申明美国履行对其欧洲盟国承担的义务。 The President affirmed America's commitment to its transatlantic (ie European) allies.
英国在第一次世界大战中是美国的同盟国。 Britain was an ally of America in the World War I.
