lifespan /'laifspæn/ 📖 中文释义 n. 预期生命期限;寿命;预期使用期限 🔗 释义中的汉语词 寿命 🧩 词形变化 复数 lifespans 📘 English Definition(英文释义) n the period during which something is functional (as between birth and death) ← lifesome L 字母词表 lifespans →