蛋白质和脱氧核糖核酸都是聚合体.Proteins and DNA are polymers.脱氧核糖核酸是存在于每个细胞内的基因物质，它承载从头发颜色到致癌风险等各种遗传型板。DNA is the genetic material inside every cell that carries the blueprints for everything from hair color to the risk of cancer.核糖与脱氧...
The vacancy of her expression made me doubt if she was listening.她茫然的神情让我怀疑她是否在听.Lucy is the best person to fill this secretary vacancy.露西是秘书这个空缺的最佳人选.This will help to fill a vacancy in our knowledge.这有助于弥补我们知识上的空白....
She tried to object, but the director slapped her down.她试图反对, 但被主任粗暴地制止了。Father slapped the boy on the face for disobedience.父亲因儿子不听话而打了他一耳光。He slapped the report down on the table.他啪地一声把报告丢在桌子上。The little girl slapped t...
This country still had a deeply oppressive, unequal and divisive political system.这个国家的政治体制依然残暴异常，缺少平等，四分五裂。an oppressive ruler暴虐的统治者Another oppressive night descended.闷热的夜又来临了。An excess of house plants in a small flat c...
他要火葬, 不要土葬.He wants to is cremated, not buried.传统的土葬和火葬方式对环境有一定的负面影响.Traditional burial and cremation practices have a negative environmental impact.请限制配售不超过百分之三土葬空间.Please limit placements to no more than three per inte...