Its first flight was four years ago.

它的首次飞行是在四年前。

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When a honeybee takes its first flight, it immediately releases its strong-smelling meconium.

当蜜蜂第一次飞行时，它会立刻释放出气味浓烈的胎粪。

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Mister Branson says he plans to bring his son and daughter and his parents with him on the first flight.

VOA: special.2009.12.18

She read about the first flight of the Wright Brothers and the first American female pilot,Harriet Quimby.

VOA: special.2011.06.12

It did not take long for Amelia to make her first flight by herself.

VOA: special.2010.05.26

The airport was closed from around 9am, and the first flight did not arrive until 6pm.

BBC: NEWS | UK | Politics | MP witnesses Maldives destruction

Gamera I's first flight in May 2011 lifted off the ground for about four seconds.

WSJ: Flight of Fancy: The Sky's the Limit for Team That Rises to the Occasion

Or, since the first flight will be from Toronto toVancouver, to the Roots Lodge on Vancouver Island.

FORBES: Reach For The Sky