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

• Earthworm populations in arable soils in the United States may be destroyed by frost.
  在美国可耕地中蚯蚓的种群会被冰冻所毁坏。
• The spatial niche of dominate forest populations in Baihuwan forest regions were discussed in this paper.
  对百户湾森林群落优势种群空间生态位进行了研究。
• 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。
• 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。
• 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。
• History is replete with examples of populations out of control.
  历史上人口失控的例子比比皆是。
• The Croatian town of Ilok is a classic case of shifting populations.
  伊洛卡的克罗地亚小镇就是人口不停流动的典型例子。
• Influenza is a serious public health problem that causes severe illnesses and deaths for higher risk populations.
  流感是一个严重的公共卫生问题，可在高危人群中造成严重疾病和死亡。
• They had not been exposed to most diseases common to urban populations
  城市人口中多数常见的疾病他们都没有接触到。