Spacemotionsickness may affect half or more of space travelers, but usually does not last beyond the first three days or so of weightlessness. ?
太空晕动症会对一半或一半以上的宇航员产生影响，但持续时间一般不超过失重的最初三天左右。
2
Car sickness, nausea, airsickness and spacemotionsickness are due to the vestibular system abnormality activity leading the disorder of visceral function.
晕车、晕船、晕机及航天运动病都是由于前庭系统的异常活动导致内脏功能的紊乱造成的。
3
It can be used to treat motionsickness during the space flight.