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...
众所周知，雷恩的墓志铭中写道，大教堂本身就是他的纪念碑。As Wren's epitaph famously declares, the cathedral itself is his monument.他想把这些文字作为他的墓志铭.He wanted these lines as his epitaph.他的墓志铭应当是: 他为我们做了好事.His epitaph should be: He did us good....
Jones said he was taking the elevator to the hotel lobby Trident.中英文对照:琼斯说,他当时搭电梯前往三叉戟酒店大厅.He still could not throw any further light on why the elevator could have become jammed...对于电梯为什么会卡住他仍旧给不出更多的解释。Nim returned insi...