birthrate ['bə:θreit]
参考词典中birthrate的常规释义：
基本释义
- n. 出生率
英英解释
1个名词解释
- the ratio of live births in an area to the population of that area; expressed per 1000 population per year
[同] fertility, fertility rate, birth rate, birthrate, natality
点击查看……- the ratio of live births in an area to the population of that area; expressed per 1000 population per year
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