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

SpaceX两年来的第六次载人航天。

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

还那句话，为什么会有国家涉足航天事业，尤其载人航天？

Which of these private spaceflight companies was launched first?

些商业船公司中，哪一家最先成立的？

Well, spaceflights may last for months.

太空可能会持续几个月。

A new study in the outlines the role that general practitioners will have to play in commercial spaceflight.

刊登英国医学杂志上的一项研究概述了全科医师商业航天领域中应该扮演的角色。

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

我们人类太空方面的进展不会很快。

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

次发射标志着美国航天新时代的到来。

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

我们就样从里向太空进发。

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

我们还处人类航天时代的早期阶段。

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

确认太空定将一个被称为" 一大步" 的进展。

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

她说，免疫系统无法长时间的太空中正常工作。

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

比佩吉·惠斯顿的单人航纪录少了12天。

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)正专注于他对太空旅持之以恒的热情中。

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太空的新时代。

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

NASA的宇航员太空中也被检测出心律失常, 心脏功能下降等等。

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

对于美国的航天来说，一个令人难以置信的激动人心的时刻。

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

此前 NASA 的载人航天主管已于 5 月辞职。

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

斯托尔莫说，很多航天公司都有研究太空补给站的想法。

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

之后，他埃隆·马斯克的世界级私人航天公司SpaceX工作了10年。

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

但就40年前，科学家还不知道人类否能适应长期的太空航。