Undaunted by their first effort that literally fell apart, they persevered for years until the first working machine flew for a mere 300 feet, less than the wingspan of a 747.
英
美
- 他们第一次的努力不加夸张地说是摔得粉碎,但他们毫不气馁,继续坚持了好几年,直到制造出第一架能够仅仅飞行300英尺的机器,这个距离还不到波音747客机的机翼长度。