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

• 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。
• 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。
• This policy has led to a dramatic increase in our prison populations.
  这项政策已经让我们监狱的囚犯人数激增。
• 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。
• 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。
• 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。
• Interesting distinctions can be drawn between the two populations.
  比较两类人可以发现有趣的差异。
• 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。
• 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；
• 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。