birth rate

音標發(fā)音

The birth rate plunged from the highest in Canada to the lowest.
該省的出生率在加拿大也從第一驟降至最后一名。
Although the overall birth rate in the east is low, highly educated women do not have fewer babies, as in the west.
盡管東部的總體新生兒出生率低，但是和西部一樣，受過高等教育的婦女擁有的小孩并不少。
Although the male-like females have an overall lower birth rate than other females, they do still mate and reproduce, maintaining the mimicry in the damselfly population.
盡管這樣的類雄性雌性的出生率低于那些普通雌性，它們?nèi)匀粫慌浜蜕?，在蜻蜓種群中延續(xù)這種擬態(tài)。

They started something that you may have heard of called The Baby Boom, so the birth rate shot way up and everyone wanted a home.
你們應(yīng)該聽說過那時候開始的,所謂的嬰兒潮,出生率激增而且每個人都想要一套房子
耶魯公開課 - 金融市場課程節(jié)選

That this is also an argument for increasing the birth rate seems not to occur.
FORBES: Finally, Economists Acknowledge That They're Biased
The decline of marriage is also contributing to the collapse in the birth rate.
ECONOMIST: The decline of Asian marriage

The birth rate in a place is the number of babies born there for every 1000 people during a particular period of time.