spaceflight

n.

航天，宇宙飞行；

1. China's first manned spaceflight was a complete success.
   中国首次载人航天飞行获得圆满成功。

Effects of spaceflight on trabecular bone in rats.
Orthostatic intolerance after spaceflight
Spaceflight and Bone Turnover: Correlation with a New Rat Model of Weightlessness
Cardiac atrophy after bed rest and spaceflight.
Skeletal muscle unweighting: spaceflight and ground-based models.
Regulation of body fluid compartments during short-term spaceflight.
Human fiber size and enzymatic properties after 5 and 11 days of spaceflight
Exercise as a countermeasure for physiological adaptation to prolonged spaceflight.
Cortical and trabecular bone mineral loss from the spine and hip in long-duration spaceflight.
Soluble TNF-α receptor 1 and IL-6 plasma levels in humans subjected to the sleep deprivation model of spaceflight ☆