研究了用无溶剂重结晶法提纯2,6二氯甲苯.Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.以对氯甲苯为原料,经氯化、水解反应合成对氯苯甲酰氯,总收率. 6%.%.The total yield and 4 - chlorohenzoyl chloride. 6 % and. %.研究炭管采集空气...
我和查尔斯在他的书房里闭门开简介会。Charles and I were closeted in his study for the briefing session.该报每周刊登一篇关于一名优秀运动员的简介.The newspaper publishes a profile of a leading sportsman every week.哈佛大学简介来了 吗 ?Has the Harvard catalog come yet ?...
I think it's wrong to smack children.我觉得打孩子不对。The car ran smack into a wall.汽车猛地撞在墙上.In part that's because industry is smack in the middle of the city.部分原因在于：工业恰好在城市的中心。...
学生常常赶数百英里的路来到这里。Students often travel hundreds of miles to get here.学院的老师们抱怨说他们的学生还很不适应大学的课业。Faculty members complain that their students are unprepared to do college-level work.许多学生并未做好接受高等教育的充分准备。Many students are not ...
Sticking and stitching tongue overlay and tongue underlay Sticking 3㎜ reinforcement.贴车舌上片与舌下片:贴3㎜补强带.Behind the distorted prosperity of journal of comprehensive university underlay serious survival crisis.综合性高校学报眼下畸形繁荣的背...
He felt fidgety and immersed his head in the cold water.他觉得很烦躁,把头伸进了冷水中.Wang Ho - fu , however, was fidgety.王和甫 却有点坐立不安.It made Lily so fidgety and she asked such impossible questions.这弄得莉丽心烦意乱,她提出了一些使人难堪的责问.fidgety move...
他的头上缠满了一层层用床单撕成的绷带。His head was swathed in bandages made from a torn sheet.我们的床单有些次，您将就着用吧。We're a bit low on bed linen. You'll have to make do.在田里发现了她的尸体，全身赤裸，裹在一条床单里。Her naked body was found wrapped in a shee...