Therewassometroubleinspaceovertheweekend.OnThursdayMay9...
問題詳情：Therewassometroubleinspaceovertheweekend.OnThursdayMay9,flakesoffrozenammonia(氨)wereseendriftingformtheInternationalSpaceStation(ISS).Theteamonboardimmediatelypreparedforaspacewalktolookintot...