The United States joined the war in April 1917.

美国于1917年4月参战。

《柯林斯英汉双解大词典》

As the war drew to a close, Roosevelt's health deteriorated, and on April 12, 1945, while at Warm Springs, Georgia, he died of a cerebral hemorrhage.

随着战争接近尾声，罗斯福的健康状况也每况愈下。1945年4月12日，在在佐治亚州沃姆斯·普林斯，罗斯福因脑出血与世长辞。

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But it would not stop the movement, says Jakrapob Penkair, a red-shirt leader who fled into exile in April and is digging in for a long war: “A lot of our allies out there are not dancing to his tune.

但红衫军一个在4月被放逐的领导人说运动不会停止，他现在在准备进行长期斗争：“很多我们的盟友都没有按我的要求行动。”

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Years of disagreement between the North and the South finally burst into civil war in April of eighteen sixty-one.

VOA: special.2009.08.20

As soon as the Civil War broke out and Lincoln called for volunteers in late April 1861, Uriah Parmelee dropped out of his Junior year at Yale and he joined the first regiment he could get into.

内战爆发时,林肯在1861年四月末召集志愿兵,大三的乌利亚从耶鲁辍学,好不容易入了伍

耶鲁公开课 - 美国内战与重建课程节选

Just before sunrise on April twelfth, eighteen sixty-one, the first shot was fired in the American Civil War.

VOA: special.2009.08.13

Tensions over oil and security brought the two sides to the brink of war last April.

BBC: Sudanese leaders Bashir and Kiir commit to buffer zone

Soon after the split, tensions between the old foes escalated over outstanding issues, coming close to an all-out war in April.

CNN: STORY HIGHLIGHTS

Tension between the new neighbours has been strained, with rebellions breaking out on either side of the border and a dispute over oil which escalated to the brink of war in April.

BBC: Sudan's Bashir orders political prisoner release