birth rate
柯林斯词典
1. N-COUNT The birth rate in a place is the number of babies born there for every 1000 people during a particular period of time. 出生率
America's birth rate fell to a record low last year. 美國去年的出生率降到了創紀錄的最低點。
返回 birth rate
birth rate (also birth-rate) (birth rates)
剑桥词典
- the number of births that happen during a period of time in a particular place
出生率 返回 birth rate