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The International Space Station now, it has been continuously occupied for more than 20 years.
现在国际空间站已经被连续占用了二十多年了。
And that means that there has not been a single second that there has not been people up in space, working in space.
这意味着天空中每一秒都有人在工作。
There have been contributions by over 19 countries.
已经有超过19个国家提供了捐款。
The whole idea about moving out into space and making discoveries together, the more ambitious exploration just cannot be done as a single nation.
进入太空共同探索的想法是更高目标的探索是不能靠一个国家来完成的。
The thing that I think a lot of people don't understand though, is the amount of really wonderful science going on up there.
不过，我认为有一件事很多人都不清楚，太空里有非常多奇妙的科学。
We've done experiments on Parkinson's disease and cancer cells.
我们已经对帕金森氏症和癌细胞做了实验。
They have something called the Cold Atom Laboratory up there,
他们在那里有一个叫做冷原子实验室的东西，
where they create a stage of matter that does not happen anywhere naturally in the universe that we know of: it's called the Bose-Einstein Condensate.
在那里他们创造了一个我们所知的宇宙中任何地方都不会自然发生的物质：它被称为玻色-爱因斯坦凝聚体。
They actually get matter, gasses, down to less than a billionth of a degree above absolute zero.
实际上，它们能将物质，气体，降到接近绝对零度，十亿分之一度以下。
So the fundamental science and the observations of the universe going on at the International Space Station, I think in many cases are underappreciated.
所以国际空间站正在进行的基础科学和宇宙观测，在很多情况下都被低估了。
