柯林斯词典等级:1 级;
[计] 估计寿命, 预期使用寿命
[化] 耐用期限
词型变化:名词复数形式 : life expectancies

life expectancy的用法和样例:

例句

  1. Women have a higher life expectancy than men.女人比男人的预期寿命长。
  2. This is due in part to increased life expectancy.这部分原因是人的预期寿命增加了。

A new study predicts that South Korean women will be the first group in the world to have an average lifespan of more than 90 years. Researchers at Imperial College London and the World Health Organization studied the lifespans of people in 35 indust

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 2017年VOA慢速英语(二)月

By Melinda Smith Washington 17 September 2007 The U.S. Centers for Disease Control and Prevention has released figures that show Americans are living longer. Experts attribute the longevity to better treatment for heart disease, cancer and stroke --

发表于:2019-02-03 / 阅读(59) / 评论(0) 分类 2007年VOA标准英语(九月)

By Vidushi Sinha Washington 02 November 2009 Global life expectancy can be increased by almost five years and millions of premature deaths prevented if five risk factors affecting health are addressed, according to a report by the World Health Organ

发表于:2019-02-06 / 阅读(33) / 评论(0) 分类 VOA标准英语2009年(十一月)

NEW YORK, Dec. 27 (Xinhua) -- New York City Mayor Michael Bloomberg announced on Tuesday that babies born in the city in 2009 have the record high life expectancy of 80.6 years, an increase of nearly three years since 2000. The rate of 80.6 years is

发表于:2019-02-17 / 阅读(36) / 评论(0) 分类 英语新闻

LOS ANGELES, July 28 (Xinhua) -- Mainly due to rampant obesity, Americans' life expectancy is one-and-a-half-year shorter than that of Western Europeans on the average, according to a new study published on Thursday. But 40 years ago, Americans could

发表于:2019-02-18 / 阅读(45) / 评论(0) 分类 英语新闻

BEIJING, Aug. 9 (Xinhua) -- China's average life expectancy rose to 74.83 years as of the end of 2010, according to the National Bureau of Statistics (NBS). The NBS used data from the sixth national census to calculate the figure, which is 3.43 years

发表于:2019-02-18 / 阅读(42) / 评论(0) 分类 英语新闻
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