We can now say that human beings have now flown a rotorcraft on another planet.

我们现在可以说人类已经在另一个星球上驾驶了一架旋。

I would like to take this opportunity to remind how difficult it is to fly a rotorcraft at Mars.

我想借此会提醒大家在星上驾驶旋转行器是多么困难。

Let me show you how this hummingbird, this rotorcraft, works.

我们来看看“蜂鸟”是如何工作的。

Scheduled to launch in 2026 and reach Titan in 2034, Dragonfly is a rotorcraft lander, similar in size to the Mars rovers or about the size of a small car.

蜻蜓计划于 2026 发射并于 2034 到达土卫六， 它是一种旋着陆器，大小与星漫游者相似或与小型汽车大小相当。