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。
• 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。
• 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。
• History is replete with examples of populations out of control.
  历史上人口失控的例子比比皆是。
• Lifestyle interventions targeted the urban and rural populations in the intervention counties but were not implemented in Arak.
  对干预城市和农村的人口实施生活方式干预，对阿拉克则不实施相应措施。
• 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。
• 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。
• 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。
• Their findings suggest that distinct bacterial strains have adapted over time to specific human populations.
  他们的发现表明在历史上不同的结核杆菌菌株适应了特定的人群。
• That virus will probably emerge in one of the countries that have avian flu infection in their bird populations.
  这一关键性和致命的事态发展很可能将发生在鸟群感染禽流感的一个国家。