birthrate 详细解释
birthrate
['bə:θ.reit]
n.出生率
n.
出生率[C]
The birthrate in the city has been decreasing.
该市的出生率一直持续下降。
词形变化
名词复数：birthrates
英英释义
名词 birthrate:
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
同义词：birth rate, fertility, fertility rate, natality
补充
birthratebirthrate英:[ˈbə:θreit] 美:[ˈbɚθˌret]n.1.出生率例句
1. nations with high birthrates出生率高的国家热门单词推荐
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