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单词 population explosion
释义

WordReference Random House Learner's Dictionary of American English © 2024
pop•uˈla•tion exˌplo•sion, n. [countable]
  1. Sociologya rapid increase in the number of people living in an area because of an increasing birthrate or an increase in life expectancy.

WordReference Random House Unabridged Dictionary of American English © 2024
population explo′sion, 
  1. Ecology, Sociologythe rapid increase in numbers of a particular species, esp. in the world's human population since the end of World War II, attributed to an accelerating birthrate, a decrease in infant mortality, and an increase in life expectancy.
  • 1950–55, American.

Collins Concise English Dictionary © HarperCollins Publishers::
population explosion n
  1. a rapid increase in the size of a population caused by such factors as a sudden decline in infant mortality or an increase in life expectancy
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