简要介绍以此类方法对合成苯甲醛的研究.Based on the reactions , this paper reports research for synthesizing benzaldehyde.再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxy...
向左驶入A107号公路，然后左转进七姐妹路。Go left onto the A107 and bear left into Seven Sisters Road.他们穿过出入口向左转去。They turned through the gateway on the left.舆论向左转变a leftward swing in public opinion...
Eric Edward Bullus was born in Peterborough, the second of five children.埃里克·爱德华·布勒斯出生于彼得伯勒，是5个孩子中的老二。A: 404 West Chester Street, Peterborough, Ohio 31397.甲: 切斯特街404号, 俄亥俄州彼得波洛市, 邮区31397....
那位女士捅了捅邻座，急切地在他耳边低语。The woman prodded her neighbour and whispered urgently in his ear.“你想干什么！”她粗野地低语道，“滚开。”"What do you want!" she whispered savagely. "Get out."她会把声音压低，轻蔑地低语。Her voice will drop to a dismissive whisper....
The flagstones beneath their feet were worn smooth by centuries of use.他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。Molten metal ran out on to the flagstones.熔化的金属溢流到外面的板石上.From below came the familiar sound of singing and the scrape of boot...
我们计议一下,下一步该怎么办.We consulted as to what should be done next.二人计议已定.The two of them settled on a scheme.他在做出决定之前,总是先到各处去计议一番.He would shop around a bit before making a decision....