In the absence of gravity, the human body does some bizarre things.

在失重的境下, 人类的身体会出现一些奇怪的事情。

The experiment into the effect of weightlessness on reptiles' sexual reproduction is still continuing.

研究失重状态对壁虎性繁殖能力影响的实验仍在继续。

Astronauts experience the feeling of weightlessness in planes.

宇航员在飞机中也会经历失重。

Zero Gravity Corporation uses a modified Boeing 727, flying in parabolic motion to create multiple spurts of weightlessness.

零重力公司使用一架的波音727飞机，以抛物线运动的方式飞行，创造出多种失重状态。

They also fly very well in a weightless environment.

它们在失重境下也能飞得很好。

Weightlessness creates issues for everything aboard the ISS, and cooking is no exception.

国际空间站上的所有行动都会受到失重的影响，烹饪也。

I suddenly got a feeling of soaring into the sky because of the zero gravity.

由于失重状态我突然感到向天空急剧上升。”

Astronauts in flight must adjust (themselves) to weightlessness.

宇航员在飞行中必须适应失重。

We open the hatches, have sloppy zero-G hugs with each other, and now we're six.

我们打开舱门，在失重状态下动作笨拙地互相拥抱，现在我们共有 6 人。

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 now we've learned that the magical feeling of weightlessness can become much less fun.

现在我们知道了，神奇的失重感或许并是那么有趣。

Uniformly, these people experienced weightlessness and the sensation that their bodies were being stretched lengthwise.

同样，随着身体纵向延伸，他们会感到失重和感知能力。

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？

That's just one example of health problems that occur in zero-gravity.

这只是发生在失重状态下的健康问题的一个子。

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境中工作的。

After experiencing weightlessness for about five minutes, she parachuted back down in a capsule.

在经历了约5分钟的失重状态后，她从太空舱中跳伞降落。

And that zeroes each other out, so you actually feel this like weightless feeling.

这两者相互抵消，所以你会有一种失重的感觉。

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。

He noted that a lack of gravity can change the fluid pressure in living things.

他指出，失重会变生物体内的流体压力。