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英语词组“birth rate”的意思是“出生率”，读音为：ˌbɜːrθ ˌhrɑːt。例句：The high birth rate of young women in this area will affect the future of the local economy.这个地区年轻女性高出生率将影响当地经济的未来发展。
“birth rate”指的是在一定时期内，某个地区或某个群体中平均每个妇女平均生育的婴儿数量。这个指标通常用于衡量一个地区的经济发展水平和人口增长情况。
在实际情况中，出生率受到许多因素的影响，如教育水平、医疗条件、社会经济状况、文化背景等。因此，了解和监测出生率对于制定和调整政策以应对人口变化具有重要意义。
以下是一些使用“birth rate”的例句，供您参考：
1. The birth rate in this city is very high, and there are always new babies being born.这个城市的出生率非常高，总是有新生儿诞生。
2. The local government is concerned about the falling birth rate, and is considering introducing measures to encourage more people to have children.当地政府担心出生率下降，正在考虑采取措施鼓励更多的人生育。
3. The country's birth rate has been falling for years, and many experts think this is due to the increasing number of women choosing to postpone childbirth or not having children at all.该国的出生率多年来一直在下降，许多专家认为这是因为越来越多的女性选择推迟生育或者根本不生育。
4. Many developing countries experience a baby boom after they enter a new millennium, due to high fertility rates and limited family planning services.许多发展中国家在新千年后出现了生育高峰，这是因为生育率很高并且计划生育服务有限。
5. The city's birth rate has been steadily decreasing over the past few years, which is a worrying trend that needs to be addressed quickly.这个城市过去几年的出生率一直在稳步下降，这是一个需要迅速解决的令人担忧的趋势。
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