birth rate
noun/ˈbɜːθ reɪt/
/ˈbɜːrθ reɪt/
- the number of births every year for every 1 000 people in the population of a place
出生率（某地区每年每 1 000 人中的出生数目） - a low/high birth rate
低／高出生率 - The birth rate is falling/rising.
出生率正在下降/上升。 - Educating girls has the effect of lowering birth rates.
让女孩接受教育可以起到降低出生率的作用。
- a low/high birth rate