The first manned day and night flight of a solar-powered aircraft has been postponed due to technical problems.
由于技术问题，第一架可实现载人昼夜飞行的太阳能飞机推迟首航。
Mr. Borschberg wants Solar Impulse to become the first solar airplane to fly day and night, for 36 hours non-stop, without fuel.
Borschberg希望”太阳动力号“能成为第一架不使用染有，却可以昼夜飞行36小时不间断的太阳能动力飞机。
The Qingming festival falls on the first day of the fifth solar term, named Qingming. Its name denotes a time for people to go outside and enjoy the greenery of springtime.
清明节是是第五个节气的第一天，它的名字是指人们应该到户外去享受盎然的春天的时节。
The Qingming festival falls on the first day of the fifth solar term, named Qingming. Its name denotes a time for people to go outside and enjoy the greenery of springtime.
清明节是是第五个节气的第一天，它的名字是指人们应该到户外去享受盎然的春天的时节。
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