时间:2019-02-18 作者:英语课 分类:英文语法词汇


英语课

   每年的7月11日为世界人口日(World Population Day)。1987年7月11日,地球人口达到50亿。为纪念这个特殊的日子,1990年联合国根据其开发计划署理事会第36届会议的建议,决定将每年7月11日定为“世界人口日”,以唤起人们对人口问题的关注。据此,1990年7月11日遂成为第一个“世界人口日”。2011年10月31日,世界人口已达到70亿。


  有关人口词汇的中英文对照
  常住人口 permanent population
  流动人口 floating population
  人口普查 census 1
  人口基数 population base
  人口稠密 densely 2 populated
  人口稀少 sparsely 3 populated
  人口爆炸 population explosion 4
  人口过剩 overpopulation
  出生率 birth rate
  死亡率 mortality rate
  自然增长率 natural growth rate
  人口老化 aging of population
  计划生育 family planning
  人口基数大 large population base
  平均年增长数 average annual increase
  平均年增长率 average annual growth rate
  人口老龄化 the aging of population
  population的用法
  population是一个集合名词,它的用法有时较为特殊,所以很容易用错。下面谈一下它的用法。
  一、population常与定冠词the连用,作主语用时,谓语动词常用第三人称单数形式。例如:
  The world\'s population is increasing faster and faster. 全世界的人口增长得越来越快。
  At the beginning of the twentieth century, the world\'s population was about 1,700 million. 在二十世纪初,全世界的人口大约是十七亿。
  二、当主语是表示\"人口的百分之几、几分之几\"时,谓语动词用复数形式。例如:
  About seventy percent of the population in China are farmers. 中国大约有百分之七十的人口是农民。
  三、有时population可用作可数名词,其前可用不定冠词。例如:
  China has a population of about 1.3 billion. (=There is a population of about 1.3 billion in China.) 中国大约有十三亿人口。
  New York is a big city with a population of over 10 million. 纽约是一个有一千多万人口的大城市。
  在表示多个地区的人口时,population要用复数形式populations。例如:
  Many parts of the world, which once had large populations and produced plenty of crops, have become deserts. 世界上很多地区一度人口众多,种植大量的农作物;现在,这些地区已经变成了沙漠。
  四、表示人口的\"多\"或\"少\",不用\"much\"或\"little\",而要用\"large\"或\"small\"。例如:
  India has a large population. 印度人口众多。
  Singapore has a small population. 新加坡人口少。
  五、询问某国、某地有多少人口时,不用\"How much...?\",而用\"How large...?\";在问具体人口时用\"What...?\"。例如:
  -How large is the population of your hometown? 你们家乡有多少人口?
  -The population of our hometown is nearly twice as large as that of yours. 我们家乡的人口是你们家乡人口的将近两倍。
  -What is the population of Canada? 加拿大的人口有多少?
  -The population of Canada is about 29 million. 加拿大的人口大约有二千九百万。
  六、population还表示\"某地、某类的动、植物或物品的总数\"。例如:
  In India, however, the population of tigers has increased, from 2,000 in 1972 to about 5,000 in 1989.
  然而在印度,老虎的总数已从1972年的2,000只增长到了1989年的大约5,000只。
 

n.(官方的)人口调查,人口普查
  • A census of population is taken every ten years.人口普查每10年进行一次。
  • The census is taken one time every four years in our country.我国每四年一次人口普查。
ad.密集地;浓厚地
  • A grove of trees shadowed the house densely. 树丛把这幢房子遮蔽得很密实。
  • We passed through miles of densely wooded country. 我们穿过好几英里茂密的林地。
adv.稀疏地;稀少地;不足地;贫乏地
  • Relative to the size, the city is sparsely populated. 与其面积相比,这个城市的人口是稀少的。 来自《简明英汉词典》
  • The ground was sparsely covered with grass. 地面上稀疏地覆盖草丛。 来自《简明英汉词典》
n.爆发,发出,爆炸
  • The police arrived right at the moment of the explosion.警察就在爆炸的那个时候赶到了。
  • The shock of the explosion was felt far away.爆炸引起的震动很远都可感觉到。
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