P - methoxybenzeneacetonitrile was prepared in 34.8 % yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation. 以苯甲醚为原料,经过氯甲基化, 氰化反应后, 通过精馏获得对甲氧基苯乙腈,总收率为34.8%.
他们在伦敦公寓的租契再过几个月就期满了.The lease on their London flat runs out in a few months.精明的租户对租契上的每个细小之处都要讲究.An astute tenant always reads the small print in a lease.他们放弃了租契.They're abandoning the lease....
一架坚固的精密的转台被固定在试验室地上.A rigid, precise turntable is attached to the laboratory floor.电源配电装置其作用是把电源分配给各个控制箱和转台.The Power Distribution Unit distributes power to the various console and table units.我们能不能转台看赢输还是平手?Can we switc...
There were battalions of highly paid publicists to see that such news didn't make the press.有一大批拿高薪的公关人员可以确保这样的新闻不会见诸报端。But Spears'publicists declined to comment on the media accounts.然而,布兰妮公司的公关人员却拒绝对媒体的报道做出评论...
“我该重新考虑她让我搬去和她一起住的提议，”他思忖着。"I ought to reconsider her offer to move in," he mused.塔格特思忖着是否再要一杯双份伏特加。Taggart debated whether to have yet another double vodka.他思忖着将来会如何.He contemplated what the future would be like....