出生率的用法和樣例：
例句
-
出生率已開始逐步降低了
The birth rate has begun to de-escalate. -
這個城市的出生率以每年千分之0．6的比率上升。
The birthrate in this city is increasing at a ratio of0.6 to a thousand every year. -
人口出生率正在下降。
The birthrate is on the decrease.
