蛋白质学的开端是蛋白质的提纯.The start of proteomics is purification.蒸馏法已传统地成了水提纯的主要方法.Distillation has traditionally been the major system for water purification.这些金属可以用所谓“逐区提纯法”来提纯.These metals may be purified by a technique called ...
永定河和大清河在天津附近合流.The Yongding and Daqing rivers meet near Tianjin.我们和西欧一起合流成为混合经济.We had converged with Western Europe to the mixed economy.排水系统有 “ 分流制 ” 和 “ 合流制”.Sewerage systems are either'separate'or'comb...
the cloistered world of the university与世隔绝的大学She cloistered herself in the office.她呆在办公室里好像与世隔绝一样.Nash did not live a cloistered existence nor was he spared the shocks that flesh is heir to.纳什并非过着与世隔绝的生活,他同样也不能逃脱人生难免的种种打...