英语词汇“expectation of life”的读音、翻译、释义、用法及例句-智慧网

词汇	expectation of life
释义	expectation of lifeexpectation of lifen.1.■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	multi-electrode valve multielectrode voltage stabilizing tube multielectron transfer multielement multielement array multi-element detector multielement detector array multielement infrared detector multi-element insulator multielement lens multielement oscillograph multielement parasitic array multielement photoconductor multielement raster scan multielement silicon cell multielement spectroscopy multielement vacuum tube multi-elfin multiemitter multi-emitter laser diode multiemitter output multiemitter transistor multi-endpoint-connection multi-end reeling machine multiengine

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