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birthrate

美['bɜːθˌreɪt] 英['bɜːθˌreɪt]

n. 出生率

近义词：natality，fertilityrate，fertility，birthrate，

Noun

the ratio of live births in an area to the population of that area; expressed per 1000 population per year

用作名词(n.)

The birthrate is on the decrease.人口出生率正在下降。
The birthrate in this city is increasing at a ratio of 0.6 to a thousand every year.这个城市的出生率以每年千分之0.

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