3,087 个单词和短语 · 21 个主题

词汇

total fertility rate

n.L3 拓展C1

总和生育率;按特定时期各年龄生育水平估算的每名妇女生育子女数

英文释义 The estimated number of children a woman would have if she experienced a given period's age-specific fertility rates throughout her reproductive years.

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