They use new types of guns, and birds could easily be shot down in flight, and in such great numbers that commercial hunting of ducks and geese became an industry.
他们使用新型枪支，鸟类在飞行中很容易被击落，而且数量很大，以至于商业捕猎鸭鹅成了一种行业。
The president has ordered emergency measures to be taken in response to the disappearance of the flight.
对于航班失踪事件，总统已经下令采取紧急措施。
It might also be hard for airlines to co-ordinate the departure times and destinations of passenger aircraft in a way that would allow them to gain from formation flight.
航空公司可能也很难协调客机的起飞时间和目的地，使它们能够从编队飞行中获益。
He would be launched early in May,nineteen sixty-one, on a short,fifteen minute flight.
VOA: special.2009.06.10
Government officials say the last flight from Iran to Saudi Arabia will be Monday and all Iranian pilgrims now in the Arab country will be flown home before Ramadan.
VOA: standard.2009.08.09
His latest statement focused on the need to correct flaws in the aviation security system that allowed the would-be bomber to board the Detroit-bound flight in the first place.
VOA: standard.2009.12.29
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