托福词汇

2,876 个单词与短语 · 21 个主题

返回词汇列表

社会学、人类学与人口学 / Population

total fertility rate

n.L2 进阶重点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 birth rates throughout her reproductive years.

作答后解锁

在休闲、排位或单人练习中作答此词汇的题目,即可解锁完整内容。