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1·Family planning experts worry in particular about the future population explosion in Sub-Saharan Africa.

计划生育专家特别担心撒哈拉以南非洲地区未来的人口出现激增。

2·During the industrial revolution and population explosion of the 19th and 20th centuries, the demand for water rose dramatically.

在19世纪和20世纪的工业革命和人口激增期间，人们对水的需求急剧上升。

3·Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements—themselves made relatively easy nowadays by modern means of transport.

由于人口的猛增或大量人口流动（现代交通工具使这种流动相对容易）造成的种种问题也会对社会造成新的压力。

4·How can we account for the recent population explosion?

我胶如何能解释最近人口激增的现象？

5·How can we account for the recent population explosion?

我们如何能解释最近人口激增的现象？

6·If everyone decided to be cloned, there would be a population explosion.

如果人人都决定去克隆，人口就会爆炸。

7·Yet 50 years ago Japan faced a demographic crisis of another sort: a population explosion.

在50年前，日本却面临着另一个人口危机：人口激增。

8·Millennium's designers think it represents the best solution for the coming population explosion.

千禧塔的设计师认为这是解决人口膨胀的最佳办法。

9·During the second half of the 20th century, the global population explosion was the big demographic bogey.

20世纪下半页，全球人口在爆炸是人口统计学推断出来的最大恶梦。

10·Due to human population explosion and to merciless hunting methods, many animal species have already been destroyed.

由于人口剧烈增长和竭泽而渔的捕猎方式，许多动物的品种已被灭绝。