weightless造句
30secondsweightless.Thebottleisweightlesswhenwejump;Iamweightlessandeventhisbagelisweightless.We'reallweightlessduringhalfasecond.Theyarenotweightless,theyareclimbingup.Butthethreadingitselfearnsthe...
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weightless environment造句
Helendescribedlifeinaweightlessenvironmentduringherperiodinspace.Oneexperimentwilltestifchickeneggscansurviveinaweightlessenvironment.MuchoftheearlyworkaboardtheISSwouldfocusonlong-termlife-sciencesan...