populations

英 [ˌpɒpjʊˈleɪʃənz]

美 [ˌpɑpjəˈleɪʃənz]

n.  (地区、国家等的)人口，人口数量; (统称)某领域的生物; 族群; 人口
population的复数

柯林斯词典

• N-COUNT （某一国家或地区的）全体人民，人口
  Thepopulationof a country or area is all the people who live in it.
  1. Bangladesh now has a population of about 110 million.
     孟加拉国现有大约1.1亿人口。
  2. ...the annual rate of population growth.
     人口年增长率
  3. ...the local population.
     当地人口
• N-COUNT （某一国家或地区某类人或动物的）总数
  If you refer to a particular type ofpopulationin a country or area, you are referring to all the people or animals of that type there.
  1. ...75.6 per cent of the male population over sixteen.
     16岁以上男性中的75.6%
  2. ...areas with a large black population.
     黑人人口众多的地区
  3. ...the elephant populations of Tanzania and Kenya.
     坦桑尼亚和肯尼亚的大象种群

双语例句

• Presents major nutritional problems that influence the health, survival, and developmental capacity of populations in developing societies.
  提出发展中社会那些影响健康、生存以及人口发展能力的主要营养问题。
• A part of the problem for earth and nature alike is excessive human populations.
  对地球和自然界来说，相同的问题部分是过剩的人类人口。
• The variations of cork characters from 10 populations of? Quercus variabilis? in Shaanxi province are analyzed.
  对陕西境内10个栓皮栎群体栓皮性状变异情况进行了试验分析。
• Create more healthy environments, especially for poor and disadvantaged populations;
  创造更多的健康环境，特别是在贫困和弱势群体中；
• Larval and adult vector populations were surveyed weekly in six separate valley communities.
  每周对6个独立山谷内的幼虫和成虫媒介数量进行了监测。
• History is replete with examples of populations out of control.
  历史上人口失控的例子比比皆是。
• Professional and technical populations are among the most mobile of all americans.
  专业和技术人员是美国人口中流动性最大的。
• The results of this vaccine trial hold great promise for improving health and saving lives in resource-poor populations.
  本次疫苗试验的结果为资源贫乏的人群提供了改善健康和拯救生命的巨大希望。
• Other significant immigrant populations came from eastern and southern Europe and French Canada.
  其他主要移民来自东欧和南欧，和法属加拿大。
• This, in fact, describes the undercurrents of populations not just in faraway countries;
  这其实，描述了人口的暗流不仅在遥远的国家；