In the case of population growth this momentum can persist for decades after birthrates drop.
人口增長的這種勢頭在出生率下降后還可以持續(xù)四年.
辭典例句
Eroding religious belief in Europe may partly explain lowered birthrates.
出自-2013年12月閱讀原文After the Soviet Union's collapse, says Cherlin, "anxiety for the future" depressed birthrates in Russia and Eastern Europe
出自-2013年12月閱讀原文