在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.研究了五氯化钼参与的苯甲醚和叔丁醇在正己烷溶剂中的烷基化反应,结果显示出很高的对位选择性.The alkylation of anisole wi...
They leave unwanted objects in drawers, cupboards and attics.他们把暂时不需要的东西放在抽屉里 、 壁橱中和搁楼上.He asked the carpenter to build in some cupboards.他请木匠嵌加几个橱柜.Ask the carpenter to build in some cupboards.请木匠在墙上嵌几个碗橱.All the cupboa...
I have committed myself now and cannot draw back.我已经做了承诺,无法反悔.Two key witnesses at her trial committed perjury.在对她的庭审中有两名主要证人犯了伪证罪.He is concerned , compassionated and committed to improving his quality of life.他会把极大的热情和...
Llewelyn was mounting the stairs up into the keep.卢埃林登上台阶，走进城堡主楼。Pressure appears to be mounting for conformity in how people speak English.要求人们讲规范英语的压力似乎越来越大。A man in a crash helmet was mounting a motorbike.一位戴头盔的男子正跨上摩...
在减法运算中, 从被减数减去的那个数或量.In a subtraction operation, the number or quantity subtracted from the minuend.官员说,这两项实际上相当于一对夫妇能够从可调整总收入中减去的最低金额.Those items effectively represent the minimum that a couple could subtract from adjus...
Electrization , Automation and Integration are irresistible general trend of the development of modern logistical industry.物流的电子化 、 自动化和一体化是现代物流发展的必然趋势.With the development of railway electrization the requirement about ...
警察认为这场打斗是由两个敌对的青少年帮派之间的纠纷引起的。The police believe the fight was due to a dispute between rival teenage gangs.该地产正处于两伙敌对的毒品犯罪团伙激烈火拼的中心地带。The estate is at the centre of a bitter turf war between rival drug gangs.特德采取了敌对的态度.T...