birth rate
出生率
常用释义
英式发音
美式发音
基本释义
- 出生率：在特定人口和时间范围内，出生人数与总人口之间的比率。
例句
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1·After the war there was a bulge in the birth rate.战后出生率一度激增。来源: 《牛津词典》
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2·America's birth rate fell to a record low last year.美国去年的出生率降到了创纪录的最低点。来源: 《柯林斯英汉双解大词典》
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3·The European country with the highest birth rate is Ireland.出生率最高的欧洲国家是爱尔兰。来源: 《柯林斯英汉双解大词典》
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4·Several factors have been adduced to explain the fall in the birth rate.有几个因素已被援引来说明出生率降低的原因。来源: 《牛津词典》
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5·The birth rate in the 21st century may be much lower than it was in the 20th.21世纪的出生率可能比20世纪低得多。
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6·Birth rate and the stork population are connected.出生率与鹳的数量有关。
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7·It's estimated that birth rate has dropped dramatically over the past decade.据统计，在过去十年中，人口出生率急剧下降。
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8·Scientists are also working to develop chemicals to control the birth rate in deer populations.科学家们也在努力研制化学物质来控制鹿群的出生率。
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9·The newly domesticated animals behaved better, were easier to control, and may have enjoyed a higher birth rate, which in turn yielded greater milk supplies.新驯养的动物表现更好，它们更容易控制，出生率也更高，且反过来也会提供更多奶源。
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10·Martine puts it down to, among other things,soap operas and instalment plans introduced in the 1970s. Both played an important9 although indirect, role in lowering the birth rate.玛蒂娜将其归因于20世纪70年代推出的肥皂剧和分期付款计划。尽管是间接的，两者在降低出生率方面都发挥了重要的作用。
同义词