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	hand power screw press hand power screw punching press hand-power service lift hand power steering gear hand power tool hand power track crane hand power travelling crane hand power trolley hard going hard goods hardgoods hard-grade billet hard grades of bitumen hard grain hard-grained hard grained hard-grained roll Hardgrass Hardgrave sandstone hard grazing hard grease hard grinder hard grinding stone hard grit hard ground

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