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

• They investigated whether it is associated with TB symptoms in populations from West Africa.
  他们调查了这个叫做SP110的基因是否与西非人群的结核病症状有关联。
• Two World Bank reports address the economic impact of aging populations worldwide and offer direction on policy reforms.
  世界银行的两个报告探讨了全世界范围内人口老龄化对经济的影响，并提出了政策改革的方向。
• China and India have larger populations than any other countries in the world.
  中国和印度的人口比世界上其他国家的人口多。
• 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；
• 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。
• 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。
• 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。
• Nonexposure of susceptible plant populations to their pathogens is fairly common.
  感病的植物群体不暴露在它们的病原之下，这是相当普遍的。
• 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。
• Interesting distinctions can be drawn between the two populations.
  比较两类人可以发现有趣的差异。