有机化学家接受了平均平面环己烷的理论.Organic chemists accepted the theory of the average planar cyclohexane ring.环己酮和过氧化物可用来化替过氧化环己酮.Cyclohexanone and peroxide may be used in place of cyclohexanone peroxide.后者经过热解,就转变成环己二烯酮的衍生物.Thermolysi...
The drum is one of the oldest musical instruments.鼓是最古老的乐器之一。When you beat the drum, you feel good.敲鼓的时候感觉很好。A long drum roll introduced the trapeze artists.长长的一阵紧锣密鼓声中迎来了高空秋千表演者。...
Like a chameleon, he could merge unobtrusively into the background...他就像一条变色龙，可以神不知鬼不觉地隐藏在背景中间。Many companies merge and few demerge.有很多公司合并，而分立的却很少。Waves come, arise. fall and again merge into the ocean.浪来时, 我们就出现了, 浪退去时...
A tiny insect , trying to shake a mighty tree, is ludicrously ignorant of its own weakness.蚍蜉撼大树, 可笑不自量.It transpires that the chest a valuable antique and the price I paid is ludicrously low.大家都知道这个衣柜很值钱,但是我支付的价格却离奇的低.T...
A career or vengeance so direful that London was shocked.这种抱负心或报复心如此可怕,整个伦敦都惊呆了.What mind is there that does not shrink from its direful effects?哪一颗心不会在这令人毛骨悚然的三个字前抽搐痉挛?Gratiano mischance ; the cry is very direful.葛 莱西 安...
This book has two appendices.这本书有两个附录.The content of a book or document exclusive of prefatory matter, codicils, indexes, or appendices.正文除去序言、补遗 、 索引和附录的书或文献的主要部分.Hand symbols in the main body of the text cross - refer ...