It was the sixth human spaceflight for SpaceX in nearly two years.

这是SpaceX近两年来的第六次载人行。

It's, again, why does any country get into the spaceflight business, particularly human spaceflight?

还是那句话，为什么会有国家涉足事业，尤其是载人？

Which of these private spaceflight companies was launched first?

这些商业船公司中，哪一家是最先成立的？

Well, spaceflights may last for months.

行可能会持续几个月。

It's an incredibly exciting time for spaceflight in America.

对于美国的行来说，这是一个令人难置信的激动人心的时刻。

We're not progressing in terms of human spaceflight very fast.

我们在人类行方面的进展不会很快。

This launch marked the dawn of a new era of U.S. spaceflight.

这次发射标志着美国新时代的到来。

This is how we want to fly spaceflight from here on out.

我们就这样从这里向进发。

She said the immune system does not work properly on long spaceflights.

她说，免疫系统无法在长时间的行中正常工作。

That's just 12 days short of Scott Kelly's single spaceflight record.

这比佩吉·惠斯顿的单人行纪录少了12。

We're kind of experiencing a Renaissance in human spaceflight.

我们正在经历人类的文艺复兴。

Jeff Bezos, Amazon's founder, is focusing on his long-standing passion for spaceflight.

亚马逊创始人杰夫·贝佐斯(Jeff Bezos)正专注于他对旅行持之恒的热情中。

While Hurley and banking's mission ushers in a new era of spaceflight.

赫利和班克斯的使命开启了行的新时代。

NASA astronauts have also detected cardiac arrhythmias, and decreased heart function in spaceflight.

NASA的宇员在中也被检测出心律失常, 心脏功能下降等等。

And this comes after NASA's head of human spaceflight resigned in May.

此前 NASA 的载人主管已于 5 月辞职。

Stallmer said a lot of spaceflight companies are studying the idea of space refueling stations.

斯托尔莫说，很多公司都有研究补给站的想法。

Then he spent a decade working for SpaceX, Elon Musk's world-beating private spaceflight company.

之后，他在埃隆·马斯克的世界级私人公司SpaceX工作了10年。

Confirming a spaceflight reservation will be a process called " One Giant Leap" .

确认行预定将是一个被称为" 一大步" 的进展。

But only four decades ago, scientists didn't know if humans could adapt to long-duration spaceflight.

但就在40年前，科学家还不知道人类是否能适应长期的行。

We're still in such early stages of the human spaceflight era.

我们还处在人类时代的早期阶段。