来自汪庭凯的问题
【英语翻译Becauseoftheunbelievablyvastdistancesofspace,astronautshaveonlybeenabletoconcentrateonthepartofspaceimmediatelysurroundingtheearth;satellitesandnmannedspaceshuttleshavebeenlaunchedtoexploretherestofthe】
英语翻译
Becauseoftheunbelievablyvastdistancesofspace,astronautshaveonlybeenabletoconcentrateonthepartofspaceimmediatelysurroundingtheearth;satellitesandnmannedspaceshuttleshavebeenlaunchedtoexploretherestofthesolarsystem.
