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.

我们说话在空气是没有重量。

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

那么为什么空间站上宇航员会“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，他们演示了力是如何在失重环境中工作。

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

你需要只是一架客机, 飞行个抛物线, 然后看看自己, 你已失重了。

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

我们说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地球景色而做设计部分。

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

一旦我们落入水中，所有一切都变得中性和失重。

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，这也是一个失重美丽。

Weightless, Jack was able to twist and turn, and in every direction he saw more sinking Things.

杰克能够在失重状态下扭动和旋转，在每一个方向他都看到更多东西在下沉。

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

当航员漂浮在失重太空时，他们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失重场景，比如这些在太空之外宽镜头。

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——更弱万有引力使得太空中物体漂浮着，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?

如果你手臂和头发没有重量，那会是什么样子？

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。

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

你会被悬空， 失重，只会遇到来自其他体微小拉力。