the first test flight

基本解释

The engine cracked on the first test flight.
在首次試飛時，發動機發生裂紋。
The first test flight will be toward the end this year, according to André Borschberg, the chief executive of the project.
據本項目的首蓆執行官André Borschberg透露，”太陽動力號“的首次試航預計在今年年底。
The first test flight for NASA’s next-generation rocket rumbled closer when the Ares I-X rocket took a ride to its launch spot aboard a massive Apollo-era crawler Tuesday morning.
星期二上午，隨著戰神九號登上阿波羅時代威武雄壯的履帶式運輸車，朝發射現場挺進，美國宇航侷新一代火箭的首飛號角越來越響。

Three astronauts were named for the first manned Apollo test flight: Virgil Grissom, Edward White and Roger Chaffee.

Although he has flown HB-SIA in a simulator, Mr Borschberg says he will not really know how it performs until the first test flight later this year.
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