Eyewitnesses spoke of rocks and shards of glass flying in the air.

目击者们提到了在空中飞舞的石子和玻璃碎片。

《柯林斯英汉双解大词典》

A plane is flying in the air.

一架飞机正在空中飞翔。

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I felt the elevator flying in the air.

我觉得这电梯好像在空中飞。

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Creatures flying in the air, and on the ground.

CNN: The story

They are gathered up and injected into the quantum experiment at speeds of around five meters per second - just a hundredth the speed of the molecules flying around in the air.

BBC: Neutrons could test Newton's gravity and string theory

As happened a decade or so ago, the airlines flying in the open air fear unfair competition from those flying under the protection of the courts.

ECONOMIST: Going, going…. | The