Astronauts experience the feeling of weightlessness in planes.

宇航员在飞机中也会经历失重。

Astronauts in flight must adjust (themselves) to weightlessness.

宇航员在飞行中必须适应失重。

They also fly very well in a weightless environment.

它们在失重环境下也能飞得很好。

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

在失重的环境下, 人类的身体会出现一些奇怪的事情。

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

由于失重态我突然感到向天空急剧上升。”

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

研究失重态对壁虎性繁殖能力影响的实验仍在继续。

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

这只是发生在失重态下的健康问题的一个例子。

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

他指出，失重会改变生物体内的流体压力。

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”?

那空间站上的宇航员会“失重”呢？

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

不过现在我们知道了，神奇的失重感或许并不是那有趣。

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

了能在失重时看到令人称奇的地球景色而做的设部分。

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

在经历了约5分钟的失重态后，她从太空舱中跳伞降落。

The lack of gravity did decompress my spine, so I'm like an inch and a half taller.

失重态拉松了我的脊柱，所以我高了3.8厘米。

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。

Without the force of gravity, the astronauts do not know exactly how the cookie will look.

在失重态下，宇航员们不知道饼干将会是样子的。

When the floating " polyhedron" is unfolded, a series of plays are released from the box.

当失重的“多面体”散开时，一场场剧目正在上演。

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

我们打开舱门，在失重态下动作笨拙地互相拥抱，现在我们共有 6 人。

At the time, the effects of launches and weightlessness on the human body were still poorly understood.

那时，人们对发射及失重对人体产生的影响仍知之甚少。

He said the experiment studied the effects of the lack of gravity on the wine and vines.

他说，该实验研究了失重对葡萄酒和葡萄藤的影响。