春联左右怎么区分上下联

　　For more than 420 weeks, between 1937 and 1945, somewhere in the world a battle raged. What made the news in and around the biggest events of World War Two? 　　At any given moment during these years there were countless things happening on and off the battlefield, stories that history seldom touches. By analyzing the events in forty-one critical weeks of World War Two we explore h... (展开全部)