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首页 - 英汉词典 - L字开头的单词或词组 - life span

英语解释

life span

汉语翻译

【化】使用期限; 有效期限

life span英语解释

名词 life span:

the period during which something is functional (as between birth and death)
同义词：life, lifetime, life-time, lifespan

life span例句

Modern medicine has increased man's life span.
现代医学延长了人的寿命。

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