| 单词 | populations |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Mayr〕German-born American biologist best known for his research into genetic variation in new populations.麦尔，厄恩斯特：德裔美籍生物学家，因其对新人口中基因变异的研究而著称美国传统〔Vlach〕A member of a people forming the principal ethnic group of Romania, also located in small populations in other parts of the Balkan Peninsula.薇拉契人：形成罗马尼亚主要民族的民族，少数人口也分布于巴尔干半岛的其它地区美国传统〔Winnebago〕A Native American people formerly inhabiting the Green Bay area of Wisconsin, with present-day populations in Wisconsin and Nebraska.温内贝戈人：原本居住在美国威斯康星州格林贝地区的美洲土著人，现在人口聚集在威斯康星州和内布拉斯加州美国传统〔allopatric〕Occurring in separate, nonoverlapping geographic areas. Often used of populations of related organisms unable to crossbreed because of geographic separation.异域种的：分布在不同地区的，分布区不重叠的，常指由于地理分隔而不能杂交的相关生物的族群美国传统〔barrier〕Ecology A physical or biological factor that limits the migration, interbreeding, or free movement of individuals or populations.【生态学】 障碍：物理或生物因素，可以限制迁移、杂交或个体及群体的自由运动美国传统〔cake〕The unions tried to secure a bigger slice of the cake of economic prosperity for the working populations.工会试图为工人们争取更多的由经济繁荣所带来的利益。英汉大词典〔check〕Leaving some fields fallow provided a natural check on insect populations.让一些土地休耕可以自然地控制昆虫数量。牛津搭配〔city〕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。剑桥高阶〔clinic〕HIV clinics serving inner-city populations 服务于市中心居民的艾滋病诊所牛津搭配〔cumbia〕A Latin-American dance originating among African slave populations on Colombia's Atlantic coast and characterized by short sliding steps.康比亚舞：为拉丁美洲的舞蹈，起源于在哥伦比亚大西洋的海岸上的非洲奴隶人口，特色为小滑步美国传统〔decimate〕Populations of endangered animals have been decimated.濒危动物的数量已经大幅减少。剑桥高阶〔demography〕The study of the characteristics of human populations, such as size, growth, density, distribution, and vital statistics.人口统计学：对人口特征，例如数量、增长情况、密度、分布和人口动态统计等进行研究的学科美国传统〔denude〕The fact that people have left farm work has denuded many villages of their working populations.人们脱离农业生产的情况令许多村庄失去了劳动人口。朗文当代〔deplete〕Salmon populations have been severely depleted .鲑鱼的数量大大减少了。朗文当代〔distribution〕Fish populations assume highly localized distributions within each river.鱼群分布集中在每条河的某些区域。牛津搭配〔dramatically〕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。柯林斯高阶〔dramatic〕This policy has led to a dramatic increase in our prison populations.这项政策导致监狱服刑人员数量剧增。外研社新世纪〔draw〕Interesting distinctions can be drawn between the two populations.比较两类人可以发现有趣的差异。柯林斯高阶〔epidemiology〕The branch of medicine that deals with the study of the causes, distribution, and control of disease in populations.流行病学：研究人群中疾病的起因、分布和控制的医学分支美国传统〔expose〕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。柯林斯高阶〔expose〕They had not been exposed to most diseases common to urban populations.城市人口中多数的常见疾病他们都没有接触到。外研社新世纪〔figure〕Figure 1.15 shows which provinces lost populations between 1910 and 1920.表 1.15 显示出哪些省份在 1910 至 1920 年间人口减少了。柯林斯高阶〔fluctuate〕Insect populations fluctuate wil dly from year to year.昆虫的数量每年变化很大。朗文当代〔free fall〕Elephant populations were in free fall in many areas.许多地区的大象数量急剧下降。外研社新世纪〔identity〕These populations have managed to maintain distinct identities.这些人群总算保持了鲜明的特色。牛津搭配〔ineluctable〕Malthus's theories about the ineluctable tendency of populations to exceed resources.马尔萨斯的人口增长会不可避免地超出资源承载限度的理论柯林斯高阶〔intermingled〕The ethnic populations are so intermingled that there's bound to be conflict.各民族人口如此杂居,肯定会发生冲突。柯林斯高阶〔intermingled〕The ethnic populations are so intermingled that there's bound to be conflict.各民族人民如此混合, 必然会起冲突。外研社新世纪〔it〕It will be the poor countries whose populations will go hungry.要忍饥挨饿的将是穷国的人民。英汉大词典〔periphery〕Around each of these states was a periphery of mixed populations.在这些州的四面都有一个各种族混居的边缘地带。英汉大词典〔population genetics〕The branch of genetics that deals with the genetic makeup of populations.群体遗传学：遗传学的一支，研究人口的遗传基因的组成美国传统〔population〕As populations age, funding retirement becomes more expensive.随着人口老龄化，供养退休人员会变得更加昂贵。牛津搭配〔population〕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。剑桥高阶〔purpose〕For comparative purposes, the populations of three other cities are also shown.为便于比较，还显示了另外三个城市的人口。牛津搭配〔rainbow nation〕Populations shift and modern countries become rainbow nations.人口流动使现代国家变成了多种族的国家。麦克米伦高阶〔replete〕History is replete with examples of populations out of control.历史上人口失控的例子比比皆是。外研社新世纪〔replete〕History is replete with examples of populations out of control.历史上人口失控的例子比比皆是。柯林斯高阶〔sample〕The research was based on samples from 29 populations.该研究以取自 29 类种群的样本为基础。牛津搭配〔separate〕The two populations are widely separated geographically.这两个群体地理位置相距很远。牛津搭配〔shifting〕The Croatian town of Ilok is a classic case of shifting populations.伊洛卡的克罗地亚小镇就是人口不停流动的典型例子。柯林斯高阶〔shifting〕The Croatian town of Ilok is a classic case of shifting populations.克罗地亚小镇伊洛克是一个人口不断变迁的典型例子。外研社新世纪〔sociometry〕The quantitative study of interpersonal relationships in populations, especially the study and measurement of preferences.社会测量：对人口中人与人之间的关系的定量分析，尤其是人际喜好的研究和测量美国传统〔spectrum〕The city's populations represent a broad/wide spectrum of society.城市的各类人群代表了广泛的社会阶层。韦氏高阶〔substance abuse〕We're detecting more depression and substance abuse in younger populations.我们发现年轻人中抑郁和酗酒吸毒问题日益严重。麦克米伦高阶〔succour〕He made a commitment to give succour to populations involved in the conflict.他承诺要向战争中受难的人们施以援助。外研社新世纪〔sympatric〕Occupying the same or overlapping geographic areas without interbreeding. Used of populations of closely related species.分布区重叠的，同域的：其分布的地理区域相同或部分重叠，但相互间并不杂交的用于紧密相联的物种群体美国传统〔yellow peril〕Threatened expansion of Asian populations as magnified in the Western imagination.黄祸：在西方的观念中夸大的亚洲人口的增长带来的威胁美国传统At present these weapons are too inaccurate for use near civilian populations.目前这些武器太不精确，不能在靠近平民地方使用。剑桥国际Many of the world's cities have populations of more than 5 million.世界上许多城市有5000000 以上的人口。剑桥国际Such data will prove invaluable to researchers studying fish populations.这些数据对于研究鱼类数量的人将证明是很宝贵的。剑桥国际The hunting of whales for oil, meat, and blubber has resulted in a serious decline in whale populations and the near-extinction of several species.为获取鲸的油、肉和脂肪而进行的捕猎活动已导致鲸的数量急剧下降，某些种类濒临灭绝。剑桥国际Throughout the war, there were horrific casualties amongst the civilian populations of both countries.整个战争期间，两国平民伤亡惨重。剑桥国际 |
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