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.- Bangladesh now has a population of about 110 million.
孟加拉国现有大约1.1亿人口。 - ...the annual rate of population growth.
人口年增长率 - ...the local population.
当地人口
- Bangladesh now has a population of about 110 million.
- 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.- ...75.6 per cent of the male population over sixteen.
16岁以上男性中的75.6% - ...areas with a large black population.
黑人人口众多的地区 - ...the elephant populations of Tanzania and Kenya.
坦桑尼亚和肯尼亚的大象种群
- ...75.6 per cent of the male population over sixteen.
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。 - The results of this vaccine trial hold great promise for improving health and saving lives in resource-poor populations.
本次疫苗试验的结果为资源贫乏的人群提供了改善健康和拯救生命的巨大希望。 - 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。 - History is replete with examples of populations out of control.
历史上人口失控的例子比比皆是。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。