Its own unsupported weight became too much.

它自己无的重量变得过大。

Early multicellular life depended on the water in which it lived to support their skeleton-less bodies.

早期的多细胞生命依赖于它生活的水来它们无骨架的身体。

It's like the largest unsupported dome that exists, even today.

它就像现存最大的无穹顶，即使在今天也是如此。

The pantheon's roof is the largest unsupported concrete dome in the world.

万神殿的屋顶是世界上最大的无混凝土穹顶。

The longest unsupported span, I think, in the world.

我认为，这是世界上最长的无跨度。

Despite himself, his attention was drawn back to the little globe spinning so regularly, floating in the air between the pillars of red and violet flame.

尽管他不愿分心， 目光还是不由自主地被那个规律旋转的小球吸引回去，它悬浮在红色与紫色火焰柱之间的空气中， 宛如太空中一个无明显的小小世界。

He therefore proposed that the planets moved unsupported through space, a daring concept at the time.

因此， 他提出了行星在太空中无动的观点，这是当时一个大胆的概念。

'Unsupported bodies in air fall' is a general rule to which balloons and aeroplanes are exceptions.

“空中坠落中的无物体”是一般规则，气球和飞机除外。

Floating alone, like a little world in space without a visible support.

独自漂浮，宛如太空中一颗无明显的小小世界。

You can literally see firsthand how this whole system works and then on this little like glass

你可以亲眼目睹整个系统是如何作的，然后在这块小玻璃墙上，还有所有这些问答，真是太酷了。是的，你已经学到了很多东西，对吧？有一点你应该知道的是，这里只有四个系统塔，它是无跨度最长的，你知道它有多长吗？两英里，所以当你从一个山头呼啸而过时，你完全是独自一人悬在空中。