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单词 infant mortality rate
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释义  Related topics: Birthˌinfant morˈtality rate noun [countable]  MBthe number of deaths of babies under one year old, expressed as the number out of every 1,000 babies born alive in a year 婴儿死亡率〔以每年每1,000名新生婴儿为统计单位〕Examples from the Corpusinfant mortality rate• The post-war concern about population decline and the high infant mortality rate contributed to the introduction of the Midwives Act 1902.• The higher infant mortality rate among the working class was probably a major element throughout the nineteenth century in encouraging frequent pregnancies.• In the last great outbreak in 1911,32,000 infants died of diarrhoea and the infant mortality rate climbed to 130.• Their average life expectancy was 12 years less than that of whites, their infant mortality rate twice that of whites.ˌinfant morˈtality rate nounChineseSyllable  of Corpus the deaths number under babies of
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更新时间：2026/9/8 3:32:15