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

• 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。
• 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。
• 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。
• 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。
• 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。
• More recently, lower thresholds for waist circumference have been recommended for Asian populations.
  最近，对亚洲人群推荐了一个更低的腰围阈值。
• 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。
• 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。
• 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；
• 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。