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

在重的环境下, 人类的身体会出现一些奇怪的事情。

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

国际间站上的所有行动都会受到重的影响，烹饪也不例外。

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

在这里，他们演示了力是如何在重的环境工作的。

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

当重的“多面体”散开时，一场场剧目正在上演。

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.

当航天员漂浮在重的时，他们的肌肉不需要像在地球上一样辛苦地工作。

Eight years ago, Wang showed students the laws of physics and focused on the interesting phenomenon of weightlessness in space.

8年前，王亚平向学生们展示了物理定律，着重演示了重的有趣现象。

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

这只是发生在重状态下的健康问题的一个例子。

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，神奇的重感或许并不是那么有趣。

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

在经历了约5分钟的重状态后，她从舱跳伞降落。

One company attending the show called ZERO G offers people an opportunity to experience weightlessness without having to go into orbit.

参加展会的一家名为ZERO G的公司为人们提供了不必去轨道就可体验重的机会。

They experienced the strange feeling of weightlessness as they coasted upward to an altitude of 60 kilometers.

当它们向上滑行到60公里的高度时，它们感受到了一种奇怪的重感。

Scientists will then see how the compounds in the detergent react to six months of weightlessness.

然后，科学家们将看到洗涤剂的化合物遭遇6个月的重后有何反应。

Here, in the weightlessness of space, they learned the arts of leadership, sacrifice, and most importantly, survival.

在这里，在重的，他们学会了领导艺术、牺牲艺术，以及最重要的生存艺术。

He built a micro-gravity simulator to test how C. elegans would perform in the actual zero gravity of space.

他建造了一个微重力模拟器，来测试线虫在重状态下的情况。

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

那时，人们对发射及重对人体产生的影响仍知之甚少。

In total, the cast and crew took 612 flights, adding up to nearly four hours of weightlessness.

演员和工作人员们总共进行了 612 次飞行，经历了加起来近四个小时的重。

But what do astronauts have to do before they go into space to prepare themselves for weightlessness and spacewalking?

但是，宇航员在去之前会为的重和行走做什么准备工作？

Space station astronauts exercise two hours every day to fight the effects of weightlessness on their bodies.

间站宇航员每天会锻炼两个小时来对抗重对他们身体的影响。

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重场景，比如这些在之外的宽镜头。