| 1. | Even relatively short stays in space can produce profound changes in the body , consistent with what nasa euphemistically terms “ space adaptation syndrome ” : a loss of red blood cells , a reduced ability to exercise , a diminution of bone density , weight loss , cardiac arrhythmia , even a lengthening of the body 即便在太空逗留相对较短的时间也会给身体造成巨大的影响,这被美国国家航空和宇宙航行局婉转地称为“太空适应综合症” ,表现为红血球数量减少,运动能力下降,骨质疏松,体重下降,心律不齐,甚至身体拉长。 |