那架飞机开始做螺旋式飞行，失去了控制。

The aircraft began spiralling out of control.

《柯林斯英汉双解大词典》

游戏需要设定飞行路线，来安全引导特大喷气客机到大型跑道、引导小型螺旋桨飞机至简易跑道、以及引导直升机到直升机场。

The game involves setting flight paths to safely direct jumbo jets to the large runway, smaller prop planes to the airstrip, and helicopters to the helipad.

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他解释到，燕鸥的飞行路线是以大气中螺旋风为根据，他们要尽量避免被风卷走。

The birds appear to be following huge spiraling wind patterns in the atmosphere, avoiding flying into the wind, he said.

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