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birthrate的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
birthrate的用法和樣例：
例句
用作名詞 (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.
這個城市的出生率以每年千分之0.
