因为它们的两副翅膀叠在一起，在空气动力学的理论中，这意味着它们对自己身体缺乏控制力。

Because their two sets of wings effectively flap as one, that in theory gives them little control over the aerodynamic forces on their body.

youdao

他几乎没有对未来做预言，除了暗示飞机翅膀可能很快就会有短毛，因为这种“羽毛特性”会降低拖力，因而更节约燃料。

There is little in the way of future predictions, apart from the suggestion that aeroplane wings may soon have bristles, a "fuzziness" that would reduce drag and therefore be more fuel-efficient.

youdao

i想象力(imagination)：伸出你想象的翅膀去追寻你的梦想，找出达到你目标的实施方法。

I imagination (imagination) : out of your imagination to pursue your dreams to find ways to reach your target implementation.

youdao