The first successful sustained powered flights in a heavier-than-air machine were made here by Wilbur and Orville Wright on December 17, 1903.

 
  • 1903年12月17日,莱特兄弟第一次用比空气重的飞行器进行了有动力的持续飞行。
今日热词
目录 附录 查词历史