今天，只有三个国家独立完成了太空行走。
Today, only three countries have finished spacewalks independently.
拴链就像绳子，连接着太空行走者和宇宙飞船。
Tethers are like ropes, connecting the spacewalkers with the spacecraft.
当宇航员在太空行走时，会穿太空服以保证自己的安全。
When astronauts go on spacewalks, they wear spacesuits to keep themselves safe.
宇航员在一个巨大的、特别的游泳池里进行水下太空行走的练习。
Astronauts practice spacewalks underwater in a huge special swimming pool.
太空行走的世界纪录由俄罗斯宇航员阿纳托利·索洛维耶夫保持。
The world record of spacewalks is held by Russian astronaut Anatoly Solovyev.
在太空行走这个主题上，观众的兴趣不同，能理解的复杂程度也不同。
On the subject of space walks, for example, audiences vary in their interests and how much complexity they can comprehend.
当宇航员在太空行走时，他们会使用安全绳以保持他们与飞船的距离。
When on a spacewalk, astronauts use safety tethers to stay close to their spacecraft.
通过太空行走，宇航员也可以修理东西，而不是把它们带回地球修理。
By going on spacewalks, astronauts can also fix things instead of bringing them back to the earth to fix.
世界上第一个进行太空行走的人是来自俄罗斯的阿列克谢·列昂诺夫。
The first person to go on a spacewalk in the world was Alexei Leonov from Russia.
根据计划，2009年5月17日，迈克·古德和我将进行太空行走到哈勃太空望远镜修理一个仪器。
On May 17, 2009, according to the plan, Mike Good and I would take a space walk to the Hubble Space Telescope to repair an instrument.
太空行走者迈克尔·古德身穿白色太空服，在空间站的背景下几乎看不到，参加STS-132任务的第三次也是最后一次的太空行走。
Spacewalker Michael Good, barely visible in his white spacesuit against the space station, participated in the STS-132 mission's third and final spacewalk.
宇航员在太空行走了半小时。
太空行走的宇航员不能吹口哨。
宇宙航行员在太空行走了半小时。
神七：中国首次太空行走。
神七：中国首次太空行走。
宇航员进行太空行走时偶尔掉落的工具。
他们星期二完成了6个半小时的太空行走。
空间站上的工作人员必要时也会进行太空行走。
Those in the station will also carry out walks as necessary.
修理哈勃太空望远镜的太空行走计划正在实施当中。
The final space walk to fix the Hubble space telescope is underway.
这已经是他们为完成此项任务所做的第五次太空行走。
This is the fifth space walk they had to do on this mission.
今天会有大规模的宇航员第五次，也是最后一次太空行走。
Today marked the fifth and final spacewalk with a jumbo-sized crew.
在完成了五次太空行走之后，哈勃望远镜被再次释放进太空。
Five spacewalks later, the Hubble was released back into space.
更换冷却液罐的整个过程要进行3次太空行走，这是第2次。
This was the second of three spacewalks in the coolant tank replacement process.
这是中国第三次载人航天，也是中国宇航员首次进行太空行走。
This will be the third Chinese manned space mission, but the first time Chinese astronauts perform a spacewalk.
你也许还会听到嫦娥奔月的传说，但我们的宇航员已经完成了太空行走。
You may hear about our legend of the Goddess Chang 'e Flying to the Moon, and people will also tell you that our astronauts have already taken the spacewalk.
发现号的最后11天的任务中包括两次太空行走进行维护和部件安装工作。
Two space walks for maintenance work and component installation are scheduled during the 11-day mission, Discovery's last.
两名身穿神舟七号太空行走航天服的宇航员将由俄罗斯专家提供全程技术支持。
The two astronauts who don spacesuits for the Shengzhou 7 spacewalk will be supported by Russian experts throughout the mission.
美国长达30年的太空计划中最后一次太空行走在国际空间站完成 。
The last space-walk in the 30-year history of the US shuttle programme has been completed at the International Space Station.
美国长达30年的太空计划中最后一次太空行走在国际空间站完成 。
The last space-walk in the 30-year history of the US shuttle programme has been completed at the International Space Station.
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