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Several factors have been adduced to explain the fall in the birth rate.有幾個(gè)因素已被援引來(lái)說(shuō)明出生率降低的原因。The UK has the highest birth rate among 15 to 19-year-olds in Western Europe.在西歐，英國(guó)女性在15到19歲之間生育率最高。Women's total birth - ...

birth rate的音標(biāo)：birth rate的英式發(fā)音音標(biāo)為：[b?:θ reit]birth rate的美式發(fā)音音標(biāo)為：[b?θ ret]...

birth rate的復(fù)數(shù)形式為：birth rates...

n.人口出生率...