This is like karate in the air, and what they do to hyper-streamline, and then when they achieve highest speeds, how they hold it. Blew us away.

• 这就像是在空中的跆拳道一样，它们做的是超级流线化，然后在它们取得最高速度后，它们怎样一直保持。让我们大吃一惊。