Everybody who has ever made a paper airplane and been disappointed as it spins out of control, crashing to the ground, knows how tricky achieving suitable trim and stability for gliding can be. But, somehow, wiggling flying snakes glide without tumbling.

中文翻译：

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起伏的蛇使滑行稳定

每个曾经制造过纸飞机并因失控而失落，坠落到地面上的人都感到失望的人都知道实现合适的修剪和滑行稳定性是多么棘手的事情。但是，以某种方式，摇摆不定的飞蛇滑行而不会翻滚。