劍橋詞典From 1946-1989, the Iron Curtain was the name of the border between Western Europe and the communist countries of Eastern Europe . The Iron Curtain made it very difficult to travel into or out of Eastern Europe . 鐵幕（指原東歐共產(chǎn)主義國(guó)家與歐洲其他國(guó)家之間的分界線） 返回 the Iron Curtain