"And this," says Dr.Williams, "is good news for long-term space travel."

威廉姆斯博士说：“对于长期太空旅行来说，这是好消息。”

youdao

It's a severe challenge for mid-long term space flight to assure astronauts in sound body and mind and have good working capability.

随着载人飞行逐渐进展，保障航天员在航天中的身心健康和良好的工作能力是中长期飞行最严峻的挑战。

youdao

It's a severe challenge for mid-long term space flight to assure astronauts in sound body and mind and have good working capability.

随着载人飞行逐渐进展，保障航天员在航天中的身心健康和良好的工作能力是中长期飞行最严峻的挑战。

youdao