accumulation

英 [əˌkjuːmjəˈleɪʃn]

美 [əˌkjuːmjəˈleɪʃn]

n.  堆积物; 聚积物; 堆积;积累;积聚

复数：accumulations　

TOEFL医学

Collins.1 / BNC.5822 / COCA.8460

柯林斯词典

• N-COUNT 堆积物；聚积物
  Anaccumulation ofsomething is a large number of things which have been collected together or acquired over a period of time.
  1. ...an accumulation of experience and knowledge.
     经验和知识的积累
  2. ...accumulations of dirt.
     积尘
• N-UNCOUNT 堆积;积累;积聚
  Accumulationis the collecting together of things over a period of time.
  1. ...the accumulation of capital and the distribution of income...
     资本的积累和收入的分配
  2. The rate of accumulation decreases with time.
     积累的速度随着时间变慢。

英英释义

noun

• the act of accumulating
  Synonym:accrualaccruement
• several things grouped together or considered as a whole
  Synonym:collectionaggregationassemblage
• (finance) profits that are not paid out as dividends but are added to the capital base of the corporation
• an increase by natural growth or addition
  Synonym:accretion

双语例句

• Accumulation of toxic substances in the biosphere is causing serious changes in the structure and function of natural ecosystems.
  生物圈内有毒物质的积累，造成了天然生态系统的结构与功能的严重变化。
• As input and accumulation, listening and reading function as observation-based learning.
  听和读，是输入和积累，也可以说是基于观察的学习。
• The funds needed will mainly be drawn from accumulation within the enterprise.
  所需资金主要取给于企业内部的积累。
• Effects of Lead Pollution in Soil and on Leaf on Distribution and Accumulation of Lead in Rice
  土壤和叶面铅污染对铅在水稻体内的分布和积累的影响
• The accumulation time and the distribution features of gas hydrate are related with the different diffusion system.
  水合物的聚集时间和分布特征与不同的扩散体系有关。
• So that the accumulation of advanced production technology and excellent management system.
  使我们积累了先进的生产技术和优良的管理体系。
• Friendship is a kind of treasure demanding careful accumulation and preservation.
  友情是一种最需要小心积蓄和保存的财富。
• Cancers arise through the accumulation of genetic mutations and epigenetic modifications.
  癌症是通过基因突变和后生修改的积累产生的。
• They have a yellowish color owing to the accumulation of elastin in the media.
  因中膜中含有很多弹性纤维所以呈黄色。
• The accumulation and excess of this protein in the brain is one of the hallmarks of Alzheimer's disease.
  而这种蛋白在脑内的积聚和过剩是阿兹海默症的显著特征。