A method of synthesis of butyl isobutyrate catalyzed by amidosulphonic acid has been studied.以氨磺酸为催化剂催化合成了异丁酸丁酯,确定了酯化优化条件.The method about synthesis of approximate straight line motion mechanism based on moving centrode ...
the synthesis of art with everyday life艺术与日常生活的结合They act at least a temporary block to DNA synthesis in micro - organisms.它们在微生物中至少对DNA合成起暂时性的阻止作用.We made a synthesis of their studies.我们综合分析了他们的研究报告....
很多答案都不准确，为此他感到很烦恼。He was disturbed by the inaccuracy of the answers.这个被用来掩盖他们思想的混乱和不准确。This served to hide the confusion and imprecision in their thinking.他说这些数字都是捏造的，完全不准确。He said these figures were bogus and totally in...
The roof was covered with tar.屋顶涂抹了一层沥青.The pipe is caked with tar.烟斗里渍了很多油子.They drove across the river to New Hampshire on a hot tar road.他们沿着一条滚烫的柏油路开过了河，来到新罕布什尔州。...
Failure is never quite so frightening as regret do.比失败更令人恐惧的是懊悔。He plays some passages so slowly that they become lugubrious.有些段落他演奏得异常徐缓，听上去有些忧伤。Fresh fruits and vegetables are important and so is bran.新鲜的水果和蔬菜很重要，麦麸也是。...
I suggested that the watchers expand their selection of action stills.我建议监视员增加精选的动态照片.Then the sound of rumbling thunder reached the watchers on the shore, as cargo, ballast, ammunition and 400 people went sliding and cr...