In the end, it's not too different from human flight-costs more, but way faster.

最后一点，它们的滑翔跟人类飞行相差不大——代价更大，但是速度更快。

youdao

In the end, it's not too different from human flight-costs more, but way faster.

最后一点，它们的滑翔跟人类飞行相差不大——代价更大，但是速度更快。

youdao