man-powered airplane 人力飞机
Wilbur and Orville Wright fly the first powered airplane.
威尔伯和奥维尔·莱特驾驶第一架机动飞机飞行。
In 1903, Orville and Wilbur Wright (2) made the first successful powered airplane flight.
1903年,奥维尔·莱特和威尔伯·莱特成功地作了第一次飞机飞行。
This perfect control made their sliding safe and allowed them to proceed to the powered airplane .
这种完善的操纵机构,使他们能安全滑翔并进一步制造有动力装置的飞机。
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