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	water trap water trap vent water treating equipment water treatment water treatment equipment water treatment medium and reagent water-treatment plant water treatment plant water treatment tank water trouble water trough water truck water-tube boiler water tube boiler water-tube boiler with bent tubes water-tube boiler with straight tubes water-tube cleaner water tube condenser water tube gas condenser water tube hose water tube plate water tunnel water tupelo water turbidity water turbine

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