His spacewalk attempt was kept secret until it happened.

在他的空走开始前，这一直被作秘着。

In what year was the first spacewalk completed?

第一次空走是在哪一年完成的？

In March of 1965, a Soviet cosmonaut took the first spacewalk.

1965年3月，一名苏联宇航员完成了第一次空走。

Astronauts wear EVA suits when they go on a spacewalk!

宇航员在空走时穿着舱外航天服！

The two of them completed the first all-female spacewalk.

这两位航天员完成了首次女性空走。

Mike L.A., as he's known, is the second most experienced spacewalker in the world.

人们通常称他Mike L.A.，全世界空走经验排名第二的宇航员。

On occasion the crew's maintenance duties will require a spacewalk.

有时，机组人员的维护工作需要空走工作。

Theirs was one of 234 space walks conducted on the most expensive manmade object.

他们正在的是在这个最昂贵的人造物体上的234次空走之一。

Now, Bob, we know you've been busy training for an upcoming spacewalk.

鲍勃，我们知道你一直在忙着为即将到来的空走训练。

Can you tell us a little bit about what you'll be doing during that walk?

你能告诉我们一点关于你在空走中会做什么吗？

They're very, very helpful, particularly during the spacewalks.

它们非常有用，特别是在空走时。

It's an awful lot like the same technology that is used for space walks.

这种科技与空走使用的 供氧技术十分相似。

This was just like the jet ski of the spacewalking world.

这就像空走世界中的喷气式滑艇。

The U.S. space agency said Williams performed five space walks during his time there.

该航天局称，威廉姆斯在空作业期间，了五次空走。

And did you know astronauts spend hours training underwater to prepare for spacewalks?

你知道吗？宇航员会在水下训练数小时，以准备空走。

Then, they plan to one-up that feat by conducting the first commercial spacewalk.

然后，他们计划首次商业空走，以超越这一壮举。

That mission lasted 200 days, during which he conducted three spacewalks, totaling almost 20 hours.

那次任务持续了200天，在这期间他了3次总共约20小时的空走。

And NASA says it was the 256th spacewalk in support of the space station.

美国国家航空航天局表示，这是支持空间站的第二百五十六次空走。

It was the first walk in space by an all-female team.

这是第一次全女性团队的空走。

More than 1,600 pounds of hardware, computers, spacewalk equipment.

1600磅的各种硬件，电脑，空走设备。