英语词汇expectation of life是什么意思，expectation of life的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	expectation of life
释义	expectation of life　 n.平均寿命, 平均余年(某一年龄的人尚可期望活的平均年数,可由统计资料显示)
随便看	boiler boiler boiler boiler (feed) pump boiler air heater boiler alarm boiler arrangement of marine boiler attendance boiler band boiler barrel boiler barrel first course boiler barrel of locomotive boiler blow-down water boiler blowdown boiler body boiler brace boiler brace foot boiler bracket boiler breathing boiler capacity boiler casing boiler central control station boiler check valve boiler cleaning boiler clothing

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