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1·The nation's infant mortality rate has reached a record low.

该国的婴儿死亡率已达历史最低。《柯林斯英汉双解大词典》

2·In the late 1970s, the infant mortality rate for the children of illiterate mothers was around 110 deaths per thousand live births.

在1970年代后期，在文盲母亲所生的孩子中，婴儿死亡率约为每1000名活胎婴儿中有110个夭折。

3·The United States ranks 20th in its infant mortality rate.

美国在婴儿死亡率方面排名第20。

4·The bureau reported an infant mortality rate of 466 per 100,000 people.

卫生局的报告称，婴儿死亡率为每10万中466人。

5·If human embryo is person, why we never count these into infant mortality rate?

如果人胚胎是人，为什么我们从不将它们计算在婴儿死亡率内？

6·The life expectancy increased with infant mortality rate and total fertility rate decreased.

随着婴儿死亡率及总和生育率的下降而增加。

7·Therefore a gradually decreasing infant mortality rate has led to a proportionate decrease in the size of our brains.

因此，婴儿死亡率的逐渐降低导致大脑容量成比例的减少。

8·Research has shown that girls are five times more likely to be impacted by increases in infant mortality rate than boys.

研究表明，“女童受婴儿死亡率上升影响的几率比男童高出五倍多。”

9·In spite of increased spending on health care in the U. S., we have not always improved health status (e. g., infant mortality rate).

尽管在医疗方面的支出增加在美国，我们并不总是改善健康状况(例如，婴儿死亡率)。

10·Most telling is that although Venezuela's gross domestic product dwarfs Cuba's, Venezuela's infant mortality rate is still three times higher.

最有力的证据是，委内瑞拉的国民生产总值比古巴要高得多，但其婴儿死亡率却依然比后者高三倍。