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by 苗桂芳

ebook

从古到今，人类一直都在想象着飞翔。不停的失败，不停的探索，随着时间的流逝，天空终于不仅有鸟类飞过的痕迹，人类也翱翔在了蓝天之上。而历史也遗留给了人类许多的难题。经过多少代的努力却不得其解。或许有一天，人类终将能发现其中的原理，能解开一道道的谜题，让思想展开翅膀去翱翔。