Once its impurities had settled, the oil could be graded.一旦杂质沉淀下去，油就可以分级了。A filter will remove most impurities found in water.过滤器会滤掉水中的大部分杂质。Oil is refined to remove naturally occurring impurities.油经过提炼去除天然存在的杂质。...
Once its impurities had settled, the oil could be graded...一旦杂质沉淀下去，油就可以分级了。The separation and determination of the primary impurities of diflubenzuron by liquid chromatography were carried out.通过反相液相色谱方法往甲醇与水的混合流动相中加入适当...
他们齐集在街上, 等待着胜利的消息.They gathered in the street, waiting for the news of victory.数以千计的欢迎群众齐集在机场上.Thousands of welcomers were gathered at the airport.约30位贸易部长齐集日内瓦参与被认为是孤注一掷的(不成即败的)会谈.About 30 trade ministers are in Geneva ...
desirous of high office渴望高级职务Everybody is desirous of success [ to succeed ].每人 都想获得成功.Desirous of knowing something about the operations, I stood and watched the spectacle...因为非常希望了解那些行动的情况，我就站着观看那场面。He is desirous of h...
Alex didn't read fluently till he was nearly seven.亚历克斯快到7岁时才能流利地阅读。He spoke three languages fluently.他可以流利地说3种语言。He has some acquaintance with German, but doesn't speak it fluently.他略懂一点德语, 但说得不流利....
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...
Big transcontinental enterprises jostle with one another for world markets.巨大的跨国公司[企业]互相争夺国际市场.European leaders jostle to be snapped standing next to him.欧洲领导人争着与他拍照.Pricing is set to get more competitive as banks jostle...