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單詞乎

life span

life span是什么意思、life span怎么讀

life span漢語翻譯

【化】 使用期限; 有效期限

life span英語解釋

名詞 life span:

  1. the period during which something is functional (as between birth and death)
    同義詞:life, lifetime, life-time, lifespan

life span例句

  1. Modern medicine has increased man's life span.
    現(xiàn)代醫(yī)學(xué)延長了人的壽命。
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