这种病感染了足足30%的人口。
它的人口大约是威尼斯的三倍。
伊拉克人口大约半数是什叶派教徒。
孟加拉国现有约一亿一千万人口。
该地13%的人口生活在贫困线之下。
Thirteen percent of the population live below the poverty line.
100万人，即人口的1/7，死了。
如今非裔美国人占美国人口的12%。
百分之四十的人口营养不良。
Forty percent of the population is suffering from malnutrition.
三分之一的人口生活在贫困线或以下。
A third of the population is living at or below the poverty line.
他推测人口在十年后可能会增加一倍。
He conjectured that the population might double in ten years.
人口中文盲的比例相当高。
在严重感染的地区，有一半人口失明了。
In heavily infected areas, half the population become blind.
众议院的席位是根据各州的人口分配的。
The apportionment of seats in the House of Representatives is based on the population of each state.
可以在地图上加一层显示人口的透明膜。
An overlay showing population can be placed on top of the map.
近年来，农村人口对政治愈来愈感兴趣。
The rural population has become increasingly politicized in recent years.
大多数人口居住在城市里。
中国的少数民族构成总人口的不到7%。
China's ethnic minorities constitute less than 7 percent of its total population.
穆斯林占人口的55%。
尼日利亚有近1亿人口。
他们未曾遭遇城市人口常得的大多数疾病。
They had not been exposed to most diseases common to urban populations.
基督教徒大约占这个国家人口的2.5%。
现在仅有10%的人口是虔诚的基督教教徒。
人口持续增长。
伊洛卡的克罗地亚小镇就是人口不停流动的典型例子。
The Croatian town of Ilok is a classic case of shifting populations.
随着移民们南移，人口便增加了，至少是暂时增加了。
The human population swelled, at least temporarily, as migrants moved south.
超过退休年龄的人口的比例在过去几年中已急剧增长。
The proportion of the population who are over retirement age has grown tremendously in the past few years.
再往远看，到下个世纪末，世界人口预期达到一百亿左右。
Looking still further ahead, by the end of the next century world population is expected to be about ten billion.
这位女国会议员援引统计数据说，赤贫人口的生活水平已经下降。
The Congresswoman quoted statistics saying that the standard of living of the poorest people had fallen.
在过去的10年中，青少年在总人口中所占的比重下降了1/5。
The number of juveniles in the general population has fallen by a fifth in the past 10 years.
主要由于爵士音乐节的缘故，在夏季这里的人口几乎比平时多一倍。
The population almost doubles in summer, mainly because of the jazz festival.
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