The fireman evacuated the guests from the burning hotel.消防队员把客人们从燃烧着的旅馆中撤出来.The fireman trained their hoses on the burning building.消防队员把水龙带对准燃烧的建筑物.The fireman demonstrated great courage in saving the child.那位消防队员在抢救孩子的...
有的星表还提供了运动, 是否变光以及双星 、 聚星等等的资料.Some catalogs provide data on motions , variability, duplicity, etc.Tycho2星表包括了全天250万颗恒星数据.The Tycho 2 catalogue contains 2.5 million entries over the whole sky.对于得到的比较星表,我需要做什么样的修正?What co...
现在人们开始意识到必须采取断然的行动。Now there is a dawning realisation that drastic action is necessary.她意识到自己趾高气扬的步伐已变成了拖着脚走路了。She noticed her own proud walk had become a shuffle.当我意识到自己的所作所为时，我吓坏了。I was scared stiff when I realized wha...
The carbene also reacts with alcohols.碳烯也可与醇反应.New , sterically demanding 1, 3 - dialkylimidazolinium salts used as N - heterocyclic carbene precursors were synthesized and characterized.合成并表征了一种新型的有空间需求的N - 杂环卡宾前驱体1, 3-...