Today, only three countries have finished spacewalks independently.
今天，只有三个国家独立完成了太空行走。
Astronauts practice spacewalks underwater in a huge special swimming pool.
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。
The world record of spacewalks is held by Russian astronaut Anatoly Solovyev.
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。
When astronauts go on spacewalks, they wear spacesuits to keep themselves safe.
当宇航员在太空行走时，会穿太空服以保证自己的安全。
By going on spacewalks, astronauts can also fix things instead of bringing them back to the earth to fix.
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。
Five spacewalks later, the Hubble was released back into space.
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。
Three spacewalks were planned for this week to install new equipment.
计划在本周内由三名太空行走宇航员为它装上新的设备。
We had three spacewalks, two bonus extension days in space and one great crew.
我们进行了三次太空行走，在太空里比预计多呆了两天，我们是一个伟大的团队。
This was the second of three spacewalks in the coolant tank replacement process.
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。
Astronauts will conduct two spacewalks to complete the space station maintenance.
宇航员们将进行两次太空行走，完成空间站维护工作。
The first of three spacewalks for astronauts aboard space shuttle Discovery is complete.
三名宇航员首次在在发现号航天飞机仓外完成了太空漫步。
There will be more spacewalks, the astronauts are just going to have to share grease guns.
未来将有更多的太空行走，宇航员不得不分享注油枪了。
Astronauts from the shuttle and station completed a total of 4 spacewalks during the mission.
在这次飞行任务重，航天飞机和太空站里的宇航员总共完成了四次太空行走任务。
In all five spacewalks planned in the International space Station will be at its most crowded.
按照计划，将在国际太空站进行五次太空漫步。
The droid could be tasked to scout areas for potential crew visits or assist astronauts in spacewalks.
安装在有轮距的2号人马座火箭上，美宇航局的2号机器宇航员重生为R2C2.这个机器人可以为深度探索太空起到侦查作用或者来协助宇航员太空行走。
The Extravehicular Activity Information System, which is a suite of prototype electronic devices to help with future spacewalks.
飞船外部活动信息系统。这是一套电子设备的模型，为未来的太空漫步提供帮助。
Along with overloading power lines and disrupting satellite communications, the eruptions can endanger astronauts on spacewalks.
太阳爆发处了会让电线超负载，中断卫星通讯，还会危机到正在进行太空行走的宇航员。
Spare components are on board, including two coolant system pumps, but installation is considered difficult and two spacewalks will be required.
包括两个冷却剂系统水泵在内的备用组件都在舱里，安装工作被普遍认为是艰难的，必须进行两次太空行走。
If Discovery blasts off Sunday, the mission will last 13 days and feature three spacewalks, the first of which will be to install the new solar wings.
如果发现号在周日发射升空，此次飞行将持续13天，其主要任务是完成三次太空行走，其中的第一次行走将是安装新的太阳能电池板。
Astronauts on the space shuttle Atlantis have released the Hubble space Telescope after a series of spacewalks to repair and upgrade the observatory.
航天飞机亚特兰蒂斯号上的宇航员在经过一些列太空行走对哈勃进行修复和升级后释放了哈勃太空望远镜。
Astronauts on the space shuttle Atlantis have released the Hubble space Telescope after a series of spacewalks to repair and upgrade the observatory.
阿特兰蒂斯号航天飞机上的宇航员在对哈勃望远镜一系列的修复和升级之后将其释放回太空中。
Astronauts have also worked outside the shuttle, using a robotic arm and even performing spacewalks to make repairs, like replacing Hubble's faulty mirror.
宇航员还在外面工作，用一个机械手臂飞船甚至表演次太空行走抢修，像更换哈勃的镜子的反射。
During 12 days at the station, the shuttle astronauts performed five spacewalks, a number previously seen only during Hubble space Telescope servicing missions.
在太空站上的12天期间，航天飞机的宇航员们完成了五次太空行走，以前看到的一些仅仅是在哈勃太空望远镜的维修任务过程中。
As he trained underwater for the three spacewalks he'll conduct at the International space Station, Mastracchio had his scuba diver son, David, by his side the whole time.
当他为将在国际太空站做的三次太空漫步接受水下训练时，马斯特拉·基奥一路都有自己的潜水员儿子大卫随侍在侧。
While suits for spacewalks are about as tight as a fully inflated blood pressure cuff, the GLCS suit exerts about the same amount of pressure as a pair of Lycra riding pants.
宇航服紧的像完全膨胀的血压计臂带，但是压力是围绕全身的，而不是在手臂上的。
This is the next-to-last shuttle mission and the final spacewalks of the program scheduled, meant to leave the space station in the best condition possible for the next decade.
这是航天飞机组员们的倒数第二个任务，也是计划中的最后一次太空行走。这次任务意味着空间站将在未来的十年中保持在最佳状态。
This is the next-to-last shuttle mission and the final spacewalks of the program scheduled, meant to leave the space station in the best condition possible for the next decade.
这是航天飞机组员们的倒数第二个任务，也是计划中的最后一次太空行走。这次任务意味着空间站将在未来的十年中保持在最佳状态。
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