在那个时期以前, 书籍是手抄的.Before that date, books were copied by hand.直到8世纪中唐时期雕板印刷术发明之前,书籍都是靠人手抄的.Books were written by scribes until block printing was invented in the eighth century....
Methods: The literature concerning endophthalmitis after operation were analyzed.方法对与术后眼内炎有关的文献加以分析,整理.Endophthalmitis displays mull echoes, retinal thickened or detached.眼内炎回声杂乱, 视网膜增厚或伴有脱离.Objective To study the effect...
The sky over the city was overspread with a heavy smog.城市上空罩上了一层烟雾.Cars cause pollution, both smog and acid rain.汽车造成的污染既有烟雾也有酸雨。The river appeared as if enveloped in smog.那条河好像笼罩在烟雾之中。attempts to reduce smog caused by t...
I did have a few worries about how Hugh and I would shape up as parents.我对休和我将如何为人父母确实有些忧虑。Mark didn't shape up until he was thirty years old.马克到三十岁时才振奋起来.The teacher said I should shape up or go join the army.老师说我必...