an operation by British and American aircraft to airlift food and supplies to Berlin in 1948 – 9, while Russian forces blockaded the city to isolate it from the West and terminate the joint Allied military government of the city. After the blockade was lifted the city was formally divided into East and West Berlin
柏林空运（1948—1949年间，英、美两国向柏林输送食品等供应品的空运行动，当时苏军封锁柏林以便将其与西方隔绝并终止设于柏林的盟国联合军政府；封锁解除后，柏林正式分为东柏林和西柏林）