生育率预期寿命

2024-11-08 16:16:11
英语听力与翻译(13161-bj)

生育率
预期寿命
【正确答案】：fertility rate
life expectancy

上一篇：low fertility levelto lessen family spending on child bearing,ra

下一篇：Let me think it over before I give you a definite answer.