birth-rate
birth-rate 英 ['bɜ:θr'eɪt] 美 ['bɜθr'eɪt]
phrase. 出生率
名词复数:birth-rates
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- phrase. 出生率
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1. The findings may help explain the falling birth-rate of boys in industrialised countries, including the UK and US.
这个发现有助于解释已工业化的国家生男孩率下降的原因，包括英国和美国。
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2. Professor Jung said South Korea's consistently decreasing birth-rate gave her students fewer chances to watch and practice delivering babies, making Noelle's presence necessary.
Jung教授指出，南韩不断下降的人口出生率让她的学生观察和练习接生的机会越来越少，所以诺艾尔的存在是很有必要的。
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3. The economic benefit arises after a country's birth- rate falls -- creating a few decades when there are a higher proportion of working-age citizens and less need to spend on children and education.
人口红利指由一个国家的出生率下降而产生的经济利益，即当有更高比例的处于工作年龄的人口，且儿童和教育投入所需较少时的几十年。
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