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带你参观空间站

Take a Tour of the Space Station

你曾经有一个很长的旅行吗?
Have you ever been on a really long trip, and it felt like it took forever to get where
你是否觉得你可能要花费终身以到达这里?
you’re going?
好吧,你希望通过什么方式完成一次远距离的太空旅行?
Well, how would you like to take a long trip into space?
听起来好像是从书本上读到或是电影中看到的一个问题,
That might sound like something you’ve read about in a book or seen in a movie, but for
然而对于那些被选定的少数人来说,是他们真实的生活。
a select few people, it’s real life!
我现在讲的就是那些在国际空间站中,
I’m talking about the astronauts who live in space for months at a time, on the Internationals
一次就要度过数月的宇航员
Space Station.
国际空间站(ISS)位于地球的轨道之上
The International Space Station — or ISS for short — is in orbit above Earth.
宇航员待在上面,做科学实验和学习空间生活。
Astronauts live and work up there doing science experiments and learning about life in space.
宇航员搭乘火箭进入太空
To get there, astronauts are carried up into space by rockets. And when they go home, they
乘坐返回舱返回地面
ride in space capsules that fall back to Earth.
让我们近距离的了解一下
Let’s take a closer look.
这些发着光的大东西是太阳能板,它们为空间站提供能源
Those big, flat shiny things are solar panels, and they provide energy for the space station.
它们将捕获到的阳光转换成电能
They capture sunlight and they turn it into electricity. The space station uses that electricity
空间站将这些电能作为电灯和电脑,以及其它能使空间站运行的东西的能源
to power lights and computers and everything else that makes the ISS go.
这是一个机械臂。宇航员在空间站内
This is a robot arm. Astronauts inside the station use this arm, by remote control, to
通过远程操控,使用它来修补空间站外的东西
fix things on the outside of the ISS.
虽然它看上去很不一般,空间站就像一个大房子一样。
Although it might not look like it, the space station is kind of like a big house.
它包含5间卧室,2间浴室,一间厨房(宇航员称它为galley)
It has 5 bedrooms, 2 bathrooms, a kitchen — which astronauts call a galley — and they
他们甚至有一间实验室,跟地面上一样
even have a laboratory, just like we do at the fort.
但是正如你想象的一样
But as you can imagine, life on the space station is a lot different than it is back
空间站的生活与地面上的生活有着很大不同
home on Earth.
其中一件就是,宇航员所有需要用的水都要用火箭来运输
For one thing, all of the water that astronauts use has to be flown up by rockets. Since it’s
由于水很难运达这里,所以水只用来喝和用于食物
so hard to get up there, water is only used for drinking and eating.
因此宇航员不能用水洗澡
So astronauts don’t take baths or showers with water. Instead, they wash up with special
但是他们用一种特殊的浴巾来清洗身体
washcloths.
但是最大的不同是空间站没有地球那么大的重力
But probably the biggest difference is that there’s much less gravity up in the space
不像在地球上,我们是贴在地面
station than there is here on Earth. Instead of sticking to the ground like we do at home,
宇航员是悬浮在上面
astronauts up there just float around!
因此宇航员很容易移动,因为这里重力很小
So, in a way, it’s a lot easier for the astronauts to move around, because there’s
但是在空间站待了一段时间后,宇航员的肌肉渐渐变弱
less gravity. But after a couple of days in space, their muscles actually get weak. So
所以空间站的宇航员每天必须至少锻炼两小时
astronauts on the space station have to exercise at least two hours every day to give their
以使他们的肌肉能够运转
muscles a workout.
其余的时间,宇航员就在进行太空实验
But the rest of the time, the astronauts are conducting experiments!
他们研究植物在太空怎样生长,
They’ll study plants to see how they grow in space, and they’ll study small animals,
他们也研究小型动物,比方说鱼,观察它们的肌肉在低重力下的状态
like fish, to see how their muscles do in low gravity.
他们甚至还研究机器人怎样在太空中运行
They even study how robots work in space.
让我们跟Robonaut 2打个招呼吧!他是一个一直生活在空间站的机器人,跟Squeaks一样
Say hello to Robonaut 2. He’s a robot, like Squeaks, who lives on the space station full
它现在甲板上
time — He’s on board so astronauts can see if robots work as well in space as they
宇航员想要观察它是否能像在地球上一样工作
do on Earth.
R2(他的朋友们这样叫他),能够使用工具,甚至能够自己来一次太空行走
R2, as his friends call him, can use tools, and even go on a spacewalk by himself.
太空行走是指宇航员穿上宇航服,离开空间站
Spacewalks are when astronauts leave the space station in a spacesuit, to do work on the
去站外进行相关任务
outside of the station.
但是他们不是经常这样。他们只在需要修补国际空间站上的东西,
But they don’t do them very often. Spacewalks are only for when astronauts need to fix things
或是收集实验需要的信息时才这样做
on the ISS or to gather information for experiments.
国际空间站上的任务很艰苦,并且同地面上的工作非常不同
So life on the International Space Station is hard work, and it’s really different
但是如果你问我,我一定会说他们很幸运
than life at home. But if you ask me, the astronauts who get to go there are pretty
因为他们竟然在太空生活过!
lucky — because they actually get to live in space!
欢迎收看SciShowKids.努力吧,也许某天你也能去国际空间站
Thanks for joining us on SciShow Kids. Maybe one day, if you work really hard, you can
再会!
go to the ISS! See you next time.

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https://www.youtube.com/watch?v=SOCixRhRGDw

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