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早在古代,人类就梦想能像鸟儿一样在天空中飞翔,为了实现这个梦想,一批批飞行探索者进行了不懈的努力,甚至献出了宝贵的生命。这里选登的有关飞行的集邮卡,正是为了纪念那些英勇无畏的飞行先驱们。
As early as ancient times, humans dream of flying like a bird in the sky. In order to realize this dream, a batch of flight explorers made unremitting efforts and even sacrificed their precious lives. It is in honor of those brave flight pioneers selected here for the flight of the philatelic cards.