已经结束的用法和样例：
例句
-
他太迟了，他到的时候，展览已经结束了。
He was so late that the exhibition was all over when he got there. -
设计美国核弹的人相信他们帮忙打赢了冷战，可是既然冷战已经结束，很多人不知道他最终会不会受到冷落。
The people who design America's nuclear bombs believe believe they helped win the Cold War. But now that the war is over, many wonder whether they'll end up out in the cold. -
学生的考试登记已经结束了。
The registration of students for an examination has been over.
