Directly below Alnitak, a close inspection will reveal the Horsehead Nebula.经过仔细查看就可以发现紧挨着参宿一的下方就是马头星云....the Great Nebula.猎户大星云A powerful telescope can resolve a nebula into stars.一架高性能的望远镜能从星云中分辨出星球来.Light takes about ...
The size of the nebula at this stage is inversely proportional to its mass.这个阶段星云的大小与其质量成反比。A powerful telescope can resolve a nebula into stars.一架高性能的望远镜能从星云中分辨出星球来.A nebula is really a discrete mass of innumerous stars...
He died at the end of this wistful and elegiac novel.在这本情意绵绵的哀歌式小说的末尾,他结束了一生.The statue has a gentleness,an ambience,a wistful elegance.那尊雕像具有一种柔和、一种独特格调、一种忧郁沉思的雅致。a wistful longing for the past对往昔岁月的怀念The statue has a g...
Trains are thundering in and out all the time at a subway station.地铁车站上列车进进出出,整天轰隆轰隆地响个不停.Their office building was a goodish distance from the subway station.他们的办公大楼离地铁车站有相当长一段路.He walked to 50 th Street and at 10:25 we...