September the eleventh, written in US style : the date of the attacks on the World Trade Center and the Pentagon in the US in 2001 （2001年袭击美国世贸大厦和五角大楼的） 9/11 事件 Since 9/11 there has been more cooperation between Russia and America . 自从9/11事件后，俄美两国加强了合作。 返回 9/11