| 释义 | Seepopulation boomSeeurban parkFarmers were not productive enough to feed the rising urban population.For this new global urban population, these new cities can provide safety, affordable housing, education and jobs.Ellis Island immigration between 1860 and 1910 resulted in dramatic increases in urban populations in America.Example sentencesurban populationCOBUILD Collocationsurban population adult population  bee population  bird population  civilian population  combined population  declining population  deer population  dense population  diverse population  dwindling population  elderly population  elephant population  entire population  general population  global population  jail population  large population  local population  minority population  native population  population expands    population increases  protect a population  reduce a population  rural population  shrinking population  student population  total population  urban population  whole population |