- 问题详情:Zerogravitylookscool.Butwhataboutthethingnoonelikestotalkabout?Yes,thatisright:goingtobathroom.Zerogravitymakesthiseverydaytaskquiteachallenge.Astronautshavetobetoilet-trainedalloveragain.TheApolloastronautsraisedthemselvesofftheseatoftheirch...
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