life·span also life span 
(līfspăn′)
(līfspăn′)n.
1. A lifetime.
2. The average or maximum length of time an organism, material, or object can be expected to survive or last.
| 单词 | lifespan |
| 释义 | life·span also life span (līfspăn′)n. 1. A lifetime. 2. The average or maximum length of time an organism, material, or object can be expected to survive or last. |
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