词汇 | population |
释义 | population noun[ C, + sing/pl verb ] uk /ˌpɒp.jəˈleɪ.ʃən/ us /ˌpɑː.pjəˈleɪ.ʃən/ B1 all the people living in a particular country, area, or place: 人口;全体居民 Ten percent of the population lived in poverty.10%的人口生活在贫困之中。 In 1992 the population of Cairo was approximately 6,500,000.1992年开罗的人口约为650万。 a growing/shrinking population增长/逐渐减少的人口 Throughout the war, there were horrific casualties among the civilian populations of both countries.整个战争期间,两国平民伤亡惨重。 The UN is investigating new methods of population control(= limiting the growth of the number of people).联合国正在研究控制人口的新方法。 The country is facing a population explosion(= sudden growth in the number of people).这个国家正面临着一场人口爆炸。 B2 all the people or animals of a particular type or group who live in one country, area, or place: (统称)(一定范围内的)人口,动物总数 There's been a nine percent rise in the prison population (= the number of people in prison).监狱收押人数上升了9%。 The dolphin population has been decimated by tuna fishing.捕捞金枪鱼导致海豚的数量大大减少。 Children make up a large proportion of the world's population.孩子占世界人口的很大一部分。 The population as a whole is getting healthier.总体看来,居民的健康状况正在改善。 The early settlers enslaved or killed much of the native population.早期的殖民者奴役或杀害了很多原住民。 In the past eight years, the elephant population in Africa has been halved.在过去的8年中,非洲大象的数量减少了一半。 Many of the world's cities have populations of more than five million.世界上许多城市的人口超过500万。 Environmental issues agroecology air pollution anoxia anoxic anti-conservation deforestation dumping ground eco-audit eco-footprint efficiency energy conservation energy security environmental justice environmentalism reduce, reuse, recycleidiom rewilding runoff scrapyard scrubber sequester population | American Dictionarypopulation noun[ C/U ] us/ˌpɑp·jəˈleɪ·ʃən/(abbreviationpop.) all the people living in a particular country, area, or place: [ U ]What is the population of Toronto (= how many people live there)? biology Population is also used to refer to all the living things of a particular type or group who live in a particular area or environment. population | Business Englishpopulation noun uk /ˌpɒpjəˈleɪʃən/us [ S or U ] the number of people living in a particular country, area, or town: a population of 12,000/175,000/13 million, etc.With a population of 2.1 million, it is the country's 25th largest metropolitan area. We've seen a slow but steady decline in population over the years. In these countries there is still rapid population growth. [ S ] all the people living in a particular country, area, or town: 10% of the population were living in poverty. [ C,usually singular ] all the people or animals of a particular type or group that live in one country, area, or town: More than half of the world's working population has no formal employment or social security arrangements. With the restrictions on hunting, deer populations have begun to grow. See alsoactive population floating population Examples of populationpopulation Secondly, our results are restricted only to females and may not extrapolate to male populations. Posttraumatic stress disorder associated with exposure to criminal victimization in clinical and community populations. Regions with sizable urban populations appeared to maintain much less credible registers than regions with largely rural populations. Anything that worsens a population's economic well-being has the effect of increasing vulnerability to disease as well as to external pressures. Qualitative similarity of parasite communities was higher between host populations living in the localities not influenced by the sea. We were specifically interested in the shape of the exposure-prevalence function for both host populations. Indeed, in natural populations of cyprinids, and animals in general, there are few obvious symptoms of disease. Both of these will be affected by migration, movement and intermixing between human populations in endemic areas. A wider study including denser molecular sampling of populations and a re-evaluation of purported morphological differences will help to confirm this. They thus represent a perfect natural system of comparable populations. Using these methods, the resistance status of parasite populations can be analysed by testing representative numbers of individual nematode larvae or adults. In the general case of mobile heavies, the motion of all three populations (electrons, protons and heavies) becomes strongly coupled. High bruchid populations in treatments with parasitoid introduction were reduced by 50-75% compared to the control treatments without parasitoids. Clusters were identical to those used to assign populations to groups. To avoid passage in cell culture and the possible selection of atypical populations, the virus isolates were not plaque purified in cell culture. See all examples of population These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Collocations withpopulationpopulationThese are words often used in combination with population. Click on a collocation to see more examples of it. aboriginal population The area also has a significant and relatively young aboriginal population. adolescent population Measuring life events in an adolescentpopulation : methodological issues and related findings. adult population And 39 per cent of the adultpopulation, as many as 225 million people, remains illiterate. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. See all collocations with population |
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