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...
They worried about the purity of tap water.他们担心自来水是否纯净。The purity of the water is tested regularly.水的纯度定期检测。The students are asked to prove the purity of copper.要求学生们检验铜的纯度....
The children were scolded for tormenting animals.孩子们因折磨动物而受到责骂.The guards were accused of tormenting the prisoners.监狱看守被指控折磨囚犯.He were a child tormenting a dog.就像小孩子拿只狗折腾取乐似的....
She learned to draw by tracing pictures out of old storybooks.她通过描摹旧故事书上的图画学会了画画。The public is urgently requested to assist police in tracing this man.紧急要求公众帮助警方追踪此人。She is tracing laboriously now.她正在费力地写....
我们在报头刊登这些奖章的图片。We carry illustrations of these medals on our masthead.为表彰他的奉献精神，市长授予他荣誉奖章。For his dedication the Mayor awarded him a medal of merit.斯派克·米利根最终拿到了早就承诺给他的那块奖章。Spike Milligan has finally got the gong he had b...
He smelt the reek of whisky.他身上一股威士忌味。Where there's reek, there's heat.哪里有恶臭, 哪里必发热.The portals of the rich reek of flesh and wine while frozen bodies lie by the roadside.朱门酒肉臭,路有冻死骨....