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。
• 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；
• 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。
• Civilian populations and ordinary people are often targeted or affected by many of these conflicts.
  城市人群和普通人群是这些冲突的主要目标和受害者。
• 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。
• 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。
• 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。
• 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。
• The variations of cork characters from 10 populations of? Quercus variabilis? in Shaanxi province are analyzed.
  对陕西境内10个栓皮栎群体栓皮性状变异情况进行了试验分析。
• 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。