life span
life span是什么意思、life span怎么读
【化】 使用期限; 有效期限
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。