(单词翻译:单击)
Many people throughout history tried to solve the problem of flight.
历史上有许多人试图飞上天空。
Although people had managed to build gliders and hot air balloons in the 18th and 19th centuries, these aircraft could not be easily controlled.
尽管人们在18世纪和19世纪发明了滑翔机和热气球，但这些飞行器都不容易控制。
The first powered aircraft that could be controlled by a pilot was known as the Wright Flyer.
第一架可以由飞行员控制的动力飞机被称为“莱特飞行者”。
It was designed by American inventors Wilbur and Orville Wright.
它是由美国发明家威尔伯·莱特和奥维尔·莱特设计的。
Its first successful flight took place in December 1903, in Kitty Hawk, North Carolina.
1903年12月，它在北卡罗来纳州的基蒂霍克首次成功飞行。
The brothers flew the plane four times in one day, with the longest flight lasting 59 seconds and travelling over 800 feet.
这对兄弟在一天内飞行了四次，最长的一次飞行持续了59秒，飞行了800多英尺。
By 1905, they had created a plane that could stay in the air for several minutes and fly in circles.
到1905年，他们发明了一种可以在空中停留几分钟并绕圈飞行的飞机。
After that, aircraft technology progressed very quickly for military and commercial use.
从那以后，军用飞机和商用飞机都发展得很快。
