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...
Without the instrumentality of a free press liberty could not be preserved.如果不能有效地利用新闻自由,就无法维护自由.Through the instrumentality of the police he was able to locate his relatives.靠警察帮忙,他找到了他的亲属.One that serves as a means; an...
破云而出的阳光透过窗户送来一束琥珀色的光线。A burst of sunshine sent a beam of amber light through the window.他用力摇晃这个琥珀色的瓶子。He shook the amber bottle vigorously.房间里现在是一片琥珀色的灯光和阴影.The room was now a shell of amber light and shadows....