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In the case of population growth this momentum can persist for decades after birthrates drop.
人口增长的这种势头在出生率下降后还可以持续四年.
辞典例句
Eroding religious belief in Europe may partly explain lowered birthrates.
出自-2013年12月阅读原文
After the Soviet Union's collapse, says Cherlin, "anxiety for the future" depressed birthrates in Russia and Eastern Europe
英汉双解词典包含4367426条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。