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lifespan

英 ['laɪfspæn] 美['laɪfspæn]

英英释义考试真题实用场景例句

n. 寿命；预期生命期限；预期使用期限

英英释意

1. the period during which something is functional (as between birth and death);: "the battery had a short life"; "he lived a long and happy life"