They also fly very well in a weightless environment.

它们在失重环境下也能飞得很好。

The words we say are weightless sounds in the air.

我们说的话在空气里是没有重量的。

So why then are astronauts on the space station “weightless”?

那么为什么空间站上的宇航员会“失重”呢？

This render all passengers weightless for 25 seconds, no wires needed.

这会使所有乘客在 25 秒内失重，因此不需要威亚。

Here they're demonstrating how forces work in a weightless environment.

在这里，他们演示了力是如何在失重的环境中工作的。

All you need is a jetliner, a parabola and voila, you're weightless.

你需要的只是一架客机, 飞行个抛物线, 然后看看自己, 你已经失重了。

Once we get in the water, all of that becomes neutral and weightless.

一旦我们落入水中，所有的一切都变得中性和失重。

The words we say are weightless sounds in the air. But they are powerful.

我们说的话听起来感觉没有什么重量。但它们很有影响力。

It's designed for when you're weightless and having this unbelievable perspective of our planet.

为了能在失重时看到令人称奇的地球景色而做的设计部分。

But we're down here in this beautiful world and it is also a weightless, beautiful world.

但我们在这个美丽的世界里，这也是一个失重的美丽世界。

When astronauts float weightless in space, their muscles don't need to work as hard as on Earth.

当航天员漂浮在失重的太空时，他们的肌肉不需要像在地球上一样辛苦地工作。

A precise mechanism in the arm counterbalances the display, making the height and angle adjustments feel almost weightless.

机臂上精确的机械装置平衡了显示器，使得调整高度和角度毫不费力。

Digital doubles allowed filmmakers to conquer more challenging weightless scenes, like these wide shots of crew outside the ather.

数字捕捉技术使电影制作人能够征服更具挑战性的失重场景，比如这些在太空之外的宽镜头。

But this changes in space because of microgravity-the weaker gravitational pull making things in space float and seem weightless.

但是由于微重力——更弱的万有引力使得太空中的物体漂浮着，并且似乎没有重量——这发生了变化。

It was thrown backwards, weightless as darkness, and as the stag charged, the Dementor swooped away, bat-like and defeated.

摄魂怪被撞得连连后退，像周围的黑暗一样没有重量。牡鹿冲上前去，摄魂怪像蝙蝠一样扑闪到一边，匆匆逃走了。

You're gonna feel a little bloated while you're weightless.

当你失重时，你会感到有点臃肿。

What would that be like, to have your arms and your hair just weightless?

如果你的手臂和头发没有重量，那会是什么样子？

And you’d be suspended, weightless, only encountering the tiny pulls from other celestial bodies.

你会被悬空， 失重，只会遇到来自其他天体的微小拉力。

Everything is weightless and floats unless it is anchored down.

除非锚定下来， 否则一切都是失重和漂浮的。

But this doesn't apply in space because of microgravity - the weaker pull of gravity making things float and seem weightless.

但由于微重力，这并不适用于太空，微重力是指使物体漂浮起来，看起来没有重量的较弱引力。