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。
• This study aimed to analyze the morphological and cytological characteristics of Ranunculus cantoniensis within and among populations.
  运用居群学的方法，对居群内、居群间的禺毛茛进行了形态及细胞学两方面的性状分析。
• 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。
• 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。
• Ethiopia and Kenya host the camps even while their domestic populations also suffer from hunger and malnutrition.
  埃塞俄比亚和肯尼亚是难民营的东道国，但这两个国家国内的人口也处于挨饿和营养不良的境地。
• 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。
• 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；
• 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。
• 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；