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 ...
Rub the surface of the wood in preparation for the varnish.打磨木头的表面，为刷清漆做准备。Nobody else believed that they had tried to rub out the pope.其他人都不相信他们试图杀死教皇。Prick the potatoes and rub the skins with salt.将马铃薯戳一些洞，并用盐揉搓外皮。...
Maybe pulmonary edema was not in the cards for me after all.也许我根本就不会得肺气肿.When pulmonary capillary pressure is markedly elevated, pulmonary edema ensues.当肺毛细血管压力明显升高时, 就出现肺水肿.The lungs should be examined for possible pulm...
The announcer gave out that the 3:30 train to Manchester would start from Platform 4.播音员通知:三点三十分开往曼彻斯特的火车将从4号站台发车。Manchester United were by now oozing with confidence.曼彻斯特联队现在充满信心。She graduated in English and Drama from ...