炼金术士探寻这种物质达数百年之久而终无所获.Alchemists searched in vain for this substance for several hundred years.炼金术士是今日科学家的先驱.The alchemists were the forerunners of the scientists of today.乍看上去, 它完全象是一位炼金术士的幻术.At first glance, it all see...
Their solution was to isolate specific clones of B cells and fuse them with cancer cells.他们的解决方案是分离出特定的B细胞克隆，然后将它们和癌细胞结合。Cut - and - paste tools include all lassos, marquees, clones, drags, and other repositioning tools....
abbr.grams per tex 每特克数，glutamic-pyruvate transaminase 谷-丙转氨酶，xanthine-guanine phosphoribosyl transferase 黄嘌呤-鸟嘌呤磷酸核糖基转移酶（科技符号），gallons per ton 加仑/吨...
Her manner professed a gayety that she did not feel.她的神态显出一种她并未实际感受到的快乐。A brisk gayety was in the air.空气里洋溢着一片轻松愉快的气氛.Carrie had noticed the appearance of gayety and pleasure - seeking in the streets which they were foll...