“It’s something that needs to be adapted and modified before we could put it into use for long-duration space flight, ” Paddon-Jones said, “but I think the results are absolutely real.”

Paddon-Jones说：“它需要调试和改良，之后才能实际应用于长期空间飞行。 不过我认为结果完全真实。”

youdao

And that's a great question because one of the hard things about long-duration space flight is the human body dealing with weightlessness and a lack of gravity.

WHITEHOUSE: President Obama's call to the International Space Station