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9月11日,一个历史性的灾难日子,美国纽约和华盛顿两个城市遭到了恐怖份子的袭击,上万人的伤亡和世贸大厦的倒塌让美国人民沉浸在悲痛和恐慌之中。
On September 11, a historic catastrophe, the cities of New York and Washington in the United States were attacked by terrorists. The death toll and the collapse of the World Trade Center have plunged the American people into grief and panic.