The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Butyl cinnamate was synthesized from cinnamic acid and butyl alcohol using tungstosili...
Acid rain is not straightforwardly attributable to the burning of coal.酸雨并非简单地由烧煤造成。Nor is acid rain always, and universally, a bad thing.酸雨也并非在任何情况下都是坏事。This comedy of contemporary manners is told with compassion and ac...
The boy refuses to go to school on [ under ] the pretext of illness [ an ailment, sickness ].这孩子装病不去 上学.That kind of ailment it's better to cure in the early stages. "我看这种病应该早些医治,要医断根才好, ” 瑞珏十分关心地 说.He got timely tr...
I know you will join me in wishing them Godspeed.我知道你会同我一起祝愿他们诸事顺遂的。Angela says she longs to join an amateur dramatics class.安杰拉说她渴望参加业余戏剧班。De Gaulle vetoed Britain's application to join the EEC.戴高乐驳回了英国加入欧洲经济共同体的申请...
He responded in champion's style by treating the fans to an exhibition of power and speed.他向崇拜者展示了他的力量和速度，表现得颇有冠军风范。Whoever it is a little from Bob Fosse's original style.不管编舞者是谁,或多或少都会受到鲍柏?佛西之风格的影响.Gorgeous em...
The field were so close that they would have caught us if I hadn't begun the sprint.其他参赛选手紧随身后，如果不是我开始冲刺，他们就会赶上我们了。She'd been caught from behind and hadn't a prayer of freeing herself.有人从后面抓住她，她不可能脱身。We ha...