社会学、人类学与人口学Sociology, Anthropology & Demography
total fertility rate
n.L2 进阶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.