![Astronautsonshortershuttlemissions(使命)oftenworkverylong...]( "Astronautsonshortershuttlemissions(使命)oftenworkverylong...")
- 问题详情：Astronautsonshortershuttlemissions(使命)oftenworkverylongdays.Tasksarescheduledsotightlythatbreaktimesareoftenusedtofinishtheday’swork.ThistypeofscheduleisfartoodemandingforlongmissionsontheInternationalSpaceStation(ISS).ISScrewmembersusuall...
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