我们可以从画中推论作画者的意图在于使人们更加关注目前世界人口的爆炸性增长。
We can deduce from this picture that the artist is trying to attract our attention to the present exploding world population.
在世界范围内，今后30年间几乎所有的人口增长将是在城市地区，最为爆炸性的增长将在亚洲和非洲发生。
Worldwide, virtually all population growth over the next 30 years will be in urban areas, with the most explosive growth taking place in Asia and Africa.
这些国家的爆炸性人口增长又恰恰直接威胁到森林。
They are also the places where most forest is most directly threatened by an exploding human population.
植物学是解决一些世界上最紧迫的问题：如何减少空气和水的污染，如何养活爆炸性增长的人口，如何节约能源，等等。
Botany is tackling some of the world's most pressing problems: how to reduce air and water pollution, how to feed an exploding human population, how to conserve energy, and so on.
1965年至2000年，美国高中以上教育机构的入学率呈爆炸性增长：涨幅高达265%，而同期的人口增长率仅为45%。
There was explosive growth in post-secondary school enrollment in the U. S. from 1965-2000: up 265% , versus roughly 45% population growth during that period.
1965年至2000年，美国高中以上教育机构的入学率呈爆炸性增长：涨幅高达265%，而同期的人口增长率仅为45%。
There was explosive growth in post-secondary school enrollment in the U. S. from 1965-2000: up 265% , versus roughly 45% population growth during that period.
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